#072737
Closest named color: Dark (#1B2431). oklch(25.8% 0.047 234.7), rgb(7, 39, 55).
Aa
White text reads best on this color (15.50:1).
About this color
#072737 is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.047 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.024 away. White text reads best on it, at 15.50:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.35:1 |
| White text | 15.50:1 |
Values
| HEX | #072737 |
| RGB | rgb(7, 39, 55) |
| HSL | hsl(200, 77%, 12%) |
| OKLCH | oklch(25.8% 0.047 234.7) |
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 #072737 | 15.50:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #072737 | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #072737 text on white | 15.50:1 | AAA | Lc 102.3 | Preferred for body text |
| #072737 text on black | 1.35:1 | 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
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C6DDEB
oklch(88.5% 0.031 234.5)
-
Step 300
300
#9EC7E0
oklch(80.9% 0.056 235.2)
-
Step 400
400
#66AAD0
oklch(70.8% 0.089 234.4)
-
Step 500
500
#3394C4
oklch(63.2% 0.114 234.5)
-
Step 600
600
#007DAE
oklch(55.7% 0.118 234.9)
-
Step 700
700
#006993
oklch(49.2% 0.104 234.9)
-
Step 800
800
#005679
oklch(42.8% 0.09 234.7)
-
Step 900
900
#0A4763
oklch(37.6% 0.075 234.9)
-
Step 950
950 (this color)
#072737
oklch(25.8% 0.047 234.7)
#072737 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) | #1F2738 | 0.029 |
| Deuteranopia (no green cones) | #192237 | 0.025 |
| Tritanopia (no blue cones) | #002B2C | 0.030 |
| Achromatopsia (no color) | #242424 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #072737
#072737
oklch(25.8% 0.047 234.7)
- #351D0B
#351D0B
oklch(25.9% 0.047 55.5)
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 #072737, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.024
- Oxford Blue #1B263B ΔE 0.025
- Jet #212529 ΔE 0.038
- Rich Black #0D1B2A ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.057
- Gunmetal #293241 ΔE 0.062
- Midnight Green #073B4C ΔE 0.072
- Prussian Blue #1D3557 ΔE 0.075
Use #072737 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.