#28495B
Closest named color: Dark Grey Blue (#29465B). oklch(38.8% 0.049 233.9), rgb(40, 73, 91).
Aa
White text reads best on this color (9.57:1).
About this color
#28495B is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.049 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.010 away. White text reads best on it, at 9.57:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.19:1 |
| White text | 9.57:1 |
Values
| HEX | #28495B |
| RGB | rgb(40, 73, 91) |
| HSL | hsl(201, 39%, 26%) |
| OKLCH | oklch(38.8% 0.049 233.9) |
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 #28495B | 9.57:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #28495B | 2.19:1 | Fails | Lc 11.9 | Not readable |
| #28495B text on white | 9.57:1 | AAA | Lc 92.1 | Preferred for body text |
| #28495B text on black | 2.19:1 | Fails | Lc -10.3 | 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
#CDDCE5
oklch(88.6% 0.02 233.9)
-
Step 300
300
#AAC5D5
oklch(80.8% 0.037 233.9)
-
Step 400
400
#7CA7C0
oklch(70.6% 0.059 234.2)
-
Step 500
500
#5991B0
oklch(63% 0.075 234)
-
Step 600
600
#3C7B9C
oklch(55.5% 0.083 233.8)
-
Step 700
700
#2E6885
oklch(49.2% 0.076 233)
-
Step 800
800
#27556C
oklch(42.8% 0.063 232.6)
-
Step 900
900 (this color)
#28495B
oklch(38.8% 0.049 233.9)
-
Step 950
950
#162933
oklch(26.9% 0.031 232.5)
#28495B 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) | #40485C | 0.032 |
| Deuteranopia (no green cones) | #39435B | 0.027 |
| Tritanopia (no blue cones) | #094E4F | 0.038 |
| Achromatopsia (no color) | #454545 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28495B
#28495B
oklch(38.8% 0.049 233.9)
- #593D2B
#593D2B
oklch(38.7% 0.049 53.5)
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 #28495B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.010
- Charcoal #264653 ΔE 0.015
- Dark Slate Gray #2F4F4F ΔE 0.034
- Dark Teal #014D4E ΔE 0.040
- Deep Teal #00555A ΔE 0.044
- Charcoal Grey #3C4142 ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.050
- Dark Blue Green #005249 ΔE 0.056
Use #28495B 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.