#28295B
Closest named color: Marine (#042E60). oklch(30.9% 0.088 279.1), rgb(40, 41, 91).
Aa
White text reads best on this color (13.47:1).
About this color
#28295B is a dark, moderately saturated blue. In OKLCH its lightness is 31%, its chroma 0.088 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.039 away. White text reads best on it, at 13.47:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.55:1 |
| White text | 13.47:1 |
Values
| HEX | #28295B |
| RGB | rgb(40, 41, 91) |
| HSL | hsl(239, 39%, 26%) |
| OKLCH | oklch(30.9% 0.088 279.1) |
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 #28295B | 13.47:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #28295B | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #28295B text on white | 13.47:1 | AAA | Lc 99.8 | Preferred for body text |
| #28295B text on black | 1.55:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FE
oklch(93.5% 0.03 279.6)
-
Step 200
200
#D0D6FF
oklch(88.5% 0.057 278.6)
-
Step 300
300
#B3BAFF
oklch(80.8% 0.098 279.5)
-
Step 400
400
#8D94FF
oklch(70.8% 0.155 278.8)
-
Step 500
500
#7474FF
oklch(63.2% 0.201 278.9)
-
Step 600
600
#6054F4
oklch(55.6% 0.23 279.2)
-
Step 700
700
#5042D5
oklch(49.1% 0.215 279.2)
-
Step 800
800
#4138AC
oklch(42.7% 0.178 279.2)
-
Step 900
900
#363388
oklch(37.8% 0.138 279.1)
-
Step 950
950 (this color)
#28295B
oklch(30.9% 0.088 279.1)
#28295B 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) | #10315D | 0.034 |
| Deuteranopia (no green cones) | #0A2D5A | 0.036 |
| Tritanopia (no blue cones) | #12343D | 0.077 |
| Achromatopsia (no color) | #2F2F2F | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28295B
#28295B
oklch(30.9% 0.088 279.1)
- #383000
#383000
oklch(30.8% 0.064 99.2)
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 #28295B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.050
- Marine Blue #01386A ΔE 0.055
- Gunmetal #293241 ΔE 0.060
- Midnight Blue #191970 ΔE 0.061
- Oxford Blue #1B263B ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.067
Use #28295B 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.