#6576EB
Closest named color: Cornflower (#6A79F7). oklch(61.2% 0.176 273.8), rgb(101, 118, 235).
Aa
Black text reads best on this color (5.34:1).
About this color
#6576EB is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.176 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.020 away. Black text reads best on it, at 5.34:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.176) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.34:1 |
| White text | 3.92:1 |
Values
| HEX | #6576EB |
| RGB | rgb(101, 118, 235) |
| HSL | hsl(232, 77%, 66%) |
| OKLCH | oklch(61.2% 0.176 273.8) |
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 #6576EB | 3.92:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #6576EB | 5.34:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #6576EB text on white | 3.92:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #6576EB text on black | 5.34:1 | AA | Lc -35.2 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CFD8F9
oklch(88.6% 0.047 273.4)
-
Step 300
300
#AFBDF9
oklch(80.9% 0.086 274.1)
-
Step 400
400
#8699F6
oklch(70.8% 0.138 273.6)
-
Step 500
500 (this color)
#6576EB
oklch(61.2% 0.176 273.8)
-
Step 600
600
#5462E0
oklch(55.6% 0.19 273.7)
-
Step 700
700
#4550C3
oklch(49.1% 0.178 273.7)
-
Step 800
800
#39429E
oklch(42.7% 0.148 274.1)
-
Step 900
900
#30397D
oklch(37.6% 0.115 273.9)
-
Step 950
950
#1C2249
oklch(27% 0.072 274)
#6576EB 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) | #3986EF | 0.053 |
| Deuteranopia (no green cones) | #207BE9 | 0.059 |
| Tritanopia (no blue cones) | #0391A5 | 0.157 |
| Achromatopsia (no color) | #808080 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6576EB
#6576EB
oklch(61.2% 0.176 273.8)
- #9D8100
#9D8100
oklch(61.2% 0.125 93.6)
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 #6576EB, closest first.
No curated palette has a color within ΔE 0.04 of #6576EB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.020
- Medium Slate Blue #7B68EE ΔE 0.042
- Soft Blue #6488EA ΔE 0.046
- Royal Blue #4169E1 ΔE 0.058
- Clear Blue #247AFD ΔE 0.060
- Dark Periwinkle #665FD1 ΔE 0.065
- Dark Sky Blue #448EE4 ΔE 0.068
- Neon Blue #4361EE ΔE 0.070
Use #6576EB 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.