#28476B
Closest named color: Dark Grey Blue (#29465B). oklch(39.2% 0.072 253.3), rgb(40, 71, 107).
Aa
White text reads best on this color (9.52:1).
About this color
#28476B is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.072 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.027 away. White text reads best on it, at 9.52:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.20:1 |
| White text | 9.52:1 |
Values
| HEX | #28476B |
| RGB | rgb(40, 71, 107) |
| HSL | hsl(212, 46%, 29%) |
| OKLCH | oklch(39.2% 0.072 253.3) |
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 #28476B | 9.52:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #28476B | 2.20:1 | Fails | Lc 12.0 | Not readable |
| #28476B text on white | 9.52:1 | AAA | Lc 91.9 | Preferred for body text |
| #28476B text on black | 2.20:1 | Fails | Lc -10.5 | Not readable |
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 900.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CCDBED
oklch(88.6% 0.03 253)
-
Step 300
300
#A9C3E3
oklch(80.8% 0.054 253.8)
-
Step 400
400
#7AA4D5
oklch(70.7% 0.086 252.8)
-
Step 500
500
#578CCA
oklch(63% 0.11 253.3)
-
Step 600
600
#3B75B7
oklch(55.5% 0.12 253.3)
-
Step 700
700
#2D629E
oklch(49% 0.112 253.4)
-
Step 800
800
#275080
oklch(42.6% 0.093 253.9)
-
Step 900
900 (this color)
#28476B
oklch(39.2% 0.072 253.3)
-
Step 950
950
#16273C
oklch(26.9% 0.046 254.4)
#28476B 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) | #38496D | 0.022 |
| Deuteranopia (no green cones) | #2F426A | 0.016 |
| Tritanopia (no blue cones) | #004F54 | 0.060 |
| Achromatopsia (no color) | #454545 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28476B
#28476B
oklch(39.2% 0.072 253.3)
- #5C3F12
#5C3F12
oklch(39.2% 0.072 74.2)
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 #28476B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.027
- Twilight Blue #0A437A ΔE 0.038
- Charcoal #264653 ΔE 0.042
- Light Navy #155084 ΔE 0.045
- Deep Sea Blue #015482 ΔE 0.050
- Marine Blue #01386A ΔE 0.060
- Cobalt #1E488F ΔE 0.060
- Dark Blue Grey #1F3B4D ΔE 0.061
Use #28476B 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.