#6587D2
Closest named color: Soft Blue (#6488EA). oklch(63.1% 0.12 264.7), rgb(101, 135, 210).
Aa
Black text reads best on this color (5.94:1).
About this color
#6587D2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.120 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.036 away. Black text reads best on it, at 5.94:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.94:1 |
| White text | 3.52:1 |
Values
| HEX | #6587D2 |
| RGB | rgb(101, 135, 210) |
| HSL | hsl(221, 55%, 61%) |
| OKLCH | oklch(63.1% 0.12 264.7) |
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 #6587D2 | 3.52:1 | AA large text | Lc -68.2 | Content text, not long reading |
| Black text on #6587D2 | 5.94:1 | AA | Lc 41.3 | Non-text elements, placeholder text |
| #6587D2 text on white | 3.52:1 | AA large text | Lc 62.7 | Content text, not long reading |
| #6587D2 text on black | 5.94:1 | AA | Lc -38.9 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CFD9EF
oklch(88.4% 0.032 266.1)
-
Step 300
300
#AEC1E7
oklch(80.9% 0.058 264.2)
-
Step 400
400
#84A0DC
oklch(70.8% 0.094 264.9)
-
Step 500
500 (this color)
#6587D2
oklch(63.1% 0.12 264.7)
-
Step 600
600
#4D70BF
oklch(55.7% 0.129 264.6)
-
Step 700
700
#3E5DA5
oklch(49.1% 0.121 264.8)
-
Step 800
800
#334C86
oklch(42.7% 0.101 264.9)
-
Step 900
900
#2D406B
oklch(37.7% 0.078 264.9)
-
Step 950
950
#1A263F
oklch(27.1% 0.05 263.9)
#6587D2 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) | #6A8ED5 | 0.020 |
| Deuteranopia (no green cones) | #5D84D0 | 0.013 |
| Tritanopia (no blue cones) | #3097A3 | 0.107 |
| Achromatopsia (no color) | #888888 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6587D2
#6587D2
oklch(63.1% 0.12 264.7)
- #AB831E
#AB831E
oklch(63.2% 0.12 85)
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 #6587D2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.036
- Dark Sky Blue #448EE4 ΔE 0.040
- Faded Blue #658CBB ΔE 0.041
- Cornflower Blue #6495ED ΔE 0.049
- Cool Blue #4984B8 ΔE 0.052
- Chefchaouen Blue #4895EF ΔE 0.054
- Off Blue #5684AE ΔE 0.059
- Dusty Blue #5A86AD ΔE 0.059
Use #6587D2 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.