#0D374D
Closest named color: Midnight Green (#073B4C). oklch(32% 0.06 236.2), rgb(13, 55, 77).
Aa
White text reads best on this color (12.56:1).
About this color
#0D374D is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.060 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.014 away. White text reads best on it, at 12.56:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.67:1 |
| White text | 12.56:1 |
Values
| HEX | #0D374D |
| RGB | rgb(13, 55, 77) |
| HSL | hsl(201, 71%, 18%) |
| OKLCH | oklch(32% 0.06 236.2) |
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 #0D374D | 12.56:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #0D374D | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #0D374D text on white | 12.56:1 | AAA | Lc 98.3 | Preferred for body text |
| #0D374D text on black | 1.67:1 | 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
#F0F7FB
oklch(97.2% 0.009 232.4)
-
Step 100
100
#DEECF6
oklch(93.6% 0.02 238.7)
-
Step 200
200
#C2DEF0
oklch(88.6% 0.039 236.1)
-
Step 300
300
#95C8E9
oklch(80.9% 0.071 237.2)
-
Step 400
400
#52ABDD
oklch(70.7% 0.112 236)
-
Step 500
500
#0094D0
oklch(63.1% 0.136 236.2)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006894
oklch(49% 0.106 236.4)
-
Step 800
800
#00557A
oklch(42.5% 0.092 236.4)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950 (this color)
#0D374D
oklch(32% 0.06 236.2)
#0D374D 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) | #2C374E | 0.034 |
| Deuteranopia (no green cones) | #24314D | 0.029 |
| Tritanopia (no blue cones) | #003D3F | 0.038 |
| Achromatopsia (no color) | #333333 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D374D
#0D374D
oklch(32% 0.06 236.2)
- #4A2A12
#4A2A12
oklch(32.1% 0.06 55.4)
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 #0D374D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.014
- Dark Blue Grey #1F3B4D ΔE 0.023
- Prussian Blue #1D3557 ΔE 0.026
- Gunmetal #293241 ΔE 0.035
- Space Cadet #2B2D42 ΔE 0.044
- Marine #042E60 ΔE 0.050
- Marine Blue #01386A ΔE 0.051
- Onyx #343A40 ΔE 0.053
Use #0D374D 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.