#2D386A
Closest named color: Marine Blue (#01386A). oklch(35.8% 0.087 272), rgb(45, 56, 106).
Aa
White text reads best on this color (11.13:1).
About this color
#2D386A is a dark, moderately saturated blue. In OKLCH its lightness is 36%, its chroma 0.087 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.040 away. White text reads best on it, at 11.13:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.88:1 |
| White text | 11.13:1 |
Values
| HEX | #2D386A |
| RGB | rgb(45, 56, 106) |
| HSL | hsl(229, 40%, 30%) |
| OKLCH | oklch(35.8% 0.087 272) |
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 #2D386A | 11.13:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #2D386A | 1.88:1 | Fails | Lc 8.3 | Not readable |
| #2D386A text on white | 11.13:1 | AAA | Lc 95.6 | Preferred for body text |
| #2D386A text on black | 1.88:1 | 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 900.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F7
oklch(93.5% 0.019 273.2)
-
Step 200
200
#D0D8F2
oklch(88.4% 0.037 272)
-
Step 300
300
#B1BFEC
oklch(80.9% 0.066 271.4)
-
Step 400
400
#8A9CE2
oklch(70.6% 0.105 272.4)
-
Step 500
500
#6E82DA
oklch(63.1% 0.134 272.4)
-
Step 600
600
#576AC8
oklch(55.6% 0.146 272.2)
-
Step 700
700
#4758AD
oklch(49.1% 0.136 272)
-
Step 800
800
#3A488C
oklch(42.6% 0.113 272)
-
Step 900
900 (this color)
#2D386A
oklch(35.8% 0.087 272)
-
Step 950
950
#1D2441
oklch(26.9% 0.055 272)
#2D386A 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) | #223E6C | 0.020 |
| Deuteranopia (no green cones) | #1B3969 | 0.022 |
| Tritanopia (no blue cones) | #0D434B | 0.079 |
| Achromatopsia (no color) | #3B3B3B | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D386A
#2D386A
oklch(35.8% 0.087 272)
- #4A3B00
#4A3B00
oklch(35.8% 0.073 92.8)
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 #2D386A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.041
- Twilight Blue #0A437A ΔE 0.045
- Dark Grey Blue #29465B ΔE 0.056
- Dark Blue Grey #1F3B4D ΔE 0.058
- Marine #042E60 ΔE 0.058
- Charcoal #264653 ΔE 0.067
- Midnight Green #073B4C ΔE 0.069
Use #2D386A 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.