#6580E4
Closest named color: Soft Blue (#6488EA). oklch(62.7% 0.153 270.1), rgb(101, 128, 228).
Aa
Black text reads best on this color (5.76:1).
About this color
#6580E4 is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.153 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.021 away. Black text reads best on it, at 5.76:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.76:1 |
| White text | 3.64:1 |
Values
| HEX | #6580E4 |
| RGB | rgb(101, 128, 228) |
| HSL | hsl(227, 70%, 65%) |
| OKLCH | oklch(62.7% 0.153 270.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #6580E4 | 3.64:1 | AA large text | Lc -69.3 | Content text, not long reading |
| Black text on #6580E4 | 5.76:1 | AA | Lc 40.2 | Non-text elements, placeholder text |
| #6580E4 text on white | 3.64:1 | AA large text | Lc 63.8 | Content text, not long reading |
| #6580E4 text on black | 5.76:1 | AA | Lc -37.8 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CED8F6
oklch(88.4% 0.043 270.9)
-
Step 300
300
#AEBFF2
oklch(80.9% 0.075 270.3)
-
Step 400
400
#849CEC
oklch(70.7% 0.121 270.4)
-
Step 500
500 (this color)
#6580E4
oklch(62.7% 0.153 270.1)
-
Step 600
600
#4F68D4
oklch(55.6% 0.168 270.3)
-
Step 700
700
#4056B7
oklch(49% 0.155 270.1)
-
Step 800
800
#354794
oklch(42.7% 0.128 270.3)
-
Step 900
900
#2D3C76
oklch(37.6% 0.101 270.1)
-
Step 950
950
#1B2445
oklch(27.1% 0.063 270.3)
#6580E4 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #548CE8 | 0.033 |
| Deuteranopia (no green cones) | #4381E2 | 0.035 |
| Tritanopia (no blue cones) | #1696A7 | 0.137 |
| Achromatopsia (no color) | #868686 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6580E4
#6580E4
oklch(62.7% 0.153 270.1)
- #A68400
#A68400
oklch(62.8% 0.128 90.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6580E4, closest first.
No curated palette has a color within ΔE 0.04 of #6580E4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.021
- Cornflower #6A79F7 ΔE 0.036
- Dark Sky Blue #448EE4 ΔE 0.045
- Cornflower Blue #6495ED ΔE 0.054
- Chefchaouen Blue #4895EF ΔE 0.057
- Lavender Blue #8B88F8 ΔE 0.063
- Medium Slate Blue #7B68EE ΔE 0.065
- Dodger Blue #1E90FF ΔE 0.067
Use #6580E4 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.