#072437
Closest named color: Dark (#1B2431). oklch(25% 0.05 241.5), rgb(7, 36, 55).
Aa
White text reads best on this color (15.95:1).
About this color
#072437 is a very dark, muted blue. In OKLCH its lightness is 25%, its chroma 0.050 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.025 away. White text reads best on it, at 15.95:1.
| Hue family | Blues |
| Lightness | very dark (25%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.31:1 |
| White text | 15.95:1 |
Values
| HEX | #072437 |
| RGB | rgb(7, 36, 55) |
| HSL | hsl(204, 77%, 12%) |
| OKLCH | oklch(25% 0.05 241.5) |
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 #072437 | 15.95:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #072437 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #072437 text on white | 15.95:1 | AAA | Lc 102.7 | Preferred for body text |
| #072437 text on black | 1.31:1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C7DCED
oklch(88.4% 0.033 242.4)
-
Step 300
300
#A0C6E4
oklch(80.9% 0.059 242.2)
-
Step 400
400
#69A8D6
oklch(70.7% 0.094 241.5)
-
Step 500
500
#3A91CB
oklch(63% 0.12 241.6)
-
Step 600
600
#017AB8
oklch(55.5% 0.131 241.8)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800
#005481
oklch(42.7% 0.101 241.9)
-
Step 900
900
#114667
oklch(37.8% 0.078 241.3)
-
Step 950
950 (this color)
#072437
oklch(25% 0.05 241.5)
#072437 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) | #1B2438 | 0.024 |
| Deuteranopia (no green cones) | #152037 | 0.019 |
| Tritanopia (no blue cones) | #00292B | 0.034 |
| Achromatopsia (no color) | #222222 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #072437
#072437
oklch(25% 0.05 241.5)
- #321B05
#321B05
oklch(24.8% 0.05 61.4)
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 #072437, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.025
- Oxford Blue #1B263B ΔE 0.027
- Rich Black #0D1B2A ΔE 0.036
- Jet #212529 ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.063
- Gunmetal #293241 ΔE 0.070
- Navy Blue #001146 ΔE 0.071
- Marine #042E60 ΔE 0.078
Use #072437 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.