#6288B3
Closest named color: Dusty Blue (#5A86AD). oklch(61.6% 0.078 252.1), rgb(98, 136, 179).
Aa
Black text reads best on this color (5.69:1).
About this color
#6288B3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.078 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.014 away. Black text reads best on it, at 5.69:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.69:1 |
| White text | 3.68:1 |
Values
| HEX | #6288B3 |
| RGB | rgb(98, 136, 179) |
| HSL | hsl(212, 35%, 54%) |
| OKLCH | oklch(61.6% 0.078 252.1) |
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 #6288B3 | 3.68:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #6288B3 | 5.69:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #6288B3 text on white | 3.68:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #6288B3 text on black | 5.69:1 | AA | Lc -37.3 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#CFDAE7
oklch(88.4% 0.022 252.5)
-
Step 300
300
#AFC3D9
oklch(80.9% 0.038 250.8)
-
Step 400
400
#85A4C6
oklch(70.8% 0.061 251)
-
Step 500
500 (this color)
#6288B3
oklch(61.6% 0.078 252.1)
-
Step 600
600
#4D76A4
oklch(55.6% 0.086 252.2)
-
Step 700
700
#3E638C
oklch(49% 0.079 252)
-
Step 800
800
#345172
oklch(42.7% 0.065 252.5)
-
Step 900
900
#2D435C
oklch(37.6% 0.051 252.3)
-
Step 950
950
#1B2736
oklch(26.9% 0.033 254.4)
#6288B3 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) | #778AB5 | 0.028 |
| Deuteranopia (no green cones) | #6D81B2 | 0.022 |
| Tritanopia (no blue cones) | #429297 | 0.068 |
| Achromatopsia (no color) | #858585 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6288B3
#6288B3
oklch(61.6% 0.078 252.1)
- #A27D4E
#A27D4E
oklch(61.5% 0.078 72.1)
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 #6288B3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.014
- Faded Blue #658CBB ΔE 0.016
- Off Blue #5684AE ΔE 0.020
- Cool Blue #4984B8 ΔE 0.031
- Silver Lake Blue #778DA9 ΔE 0.036
- Steel Blue #4682B4 ΔE 0.036
- Blue Grey #758DA3 ΔE 0.039
- Light Slate Gray #778899 ΔE 0.046
Use #6288B3 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.