#28495D
Closest named color: Dark Grey Blue (#29465B). oklch(38.9% 0.052 236.8), rgb(40, 73, 93).
Aa
White text reads best on this color (9.53:1).
About this color
#28495D is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.052 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.009 away. White text reads best on it, at 9.53:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.20:1 |
| White text | 9.53:1 |
Values
| HEX | #28495D |
| RGB | rgb(40, 73, 93) |
| HSL | hsl(203, 40%, 26%) |
| OKLCH | oklch(38.9% 0.052 236.8) |
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 #28495D | 9.53:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #28495D | 2.20:1 | Fails | Lc 12.0 | Not readable |
| #28495D text on white | 9.53:1 | AAA | Lc 92.0 | Preferred for body text |
| #28495D text on black | 2.20:1 | Fails | Lc -10.4 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE6
oklch(88.5% 0.022 235)
-
Step 300
300
#AAC5D7
oklch(80.9% 0.039 237.2)
-
Step 400
400
#7CA7C3
oklch(70.7% 0.062 237.3)
-
Step 500
500
#5891B3
oklch(63.1% 0.079 236.1)
-
Step 600
600
#3C7B9F
oklch(55.7% 0.086 236.2)
-
Step 700
700
#2E6788
oklch(49.1% 0.08 236.9)
-
Step 800
800
#27546F
oklch(42.7% 0.067 237.5)
-
Step 900
900 (this color)
#28495D
oklch(38.9% 0.052 236.8)
-
Step 950
950
#162934
oklch(27% 0.032 235.1)
#28495D 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) | #40485E | 0.032 |
| Deuteranopia (no green cones) | #38435D | 0.026 |
| Tritanopia (no blue cones) | #064E50 | 0.040 |
| Achromatopsia (no color) | #454545 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28495D
#28495D
oklch(38.9% 0.052 236.8)
- #5A3E29
#5A3E29
oklch(39% 0.051 57.4)
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 #28495D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.009
- Charcoal #264653 ΔE 0.018
- Dark Slate Gray #2F4F4F ΔE 0.037
- Dark Teal #014D4E ΔE 0.043
- Deep Teal #00555A ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.051
- Dark Blue Green #005249 ΔE 0.058
Use #28495D 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.