#072639
Closest named color: Oxford Blue (#1B263B). oklch(25.7% 0.05 240.1), rgb(7, 38, 57).
Aa
White text reads best on this color (15.60:1).
About this color
#072639 is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.050 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.023 away. White text reads best on it, at 15.60:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.34:1 |
| White text | 15.60:1 |
Values
| HEX | #072639 |
| RGB | rgb(7, 38, 57) |
| HSL | hsl(203, 78%, 13%) |
| OKLCH | oklch(25.7% 0.05 240.1) |
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 #072639 | 15.60:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #072639 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #072639 text on white | 15.60:1 | AAA | Lc 102.4 | Preferred for body text |
| #072639 text on black | 1.34:1 | 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
#C6DDED
oklch(88.5% 0.033 238.2)
-
Step 300
300
#9EC6E4
oklch(80.8% 0.06 240.9)
-
Step 400
400
#66A9D6
oklch(70.8% 0.095 239.4)
-
Step 500
500
#3492CC
oklch(63.1% 0.123 240.3)
-
Step 600
600
#007BB6
oklch(55.6% 0.128 240.2)
-
Step 700
700
#00679A
oklch(49.1% 0.113 240.5)
-
Step 800
800
#00557F
oklch(42.8% 0.098 239.8)
-
Step 900
900
#0C4667
oklch(37.6% 0.079 240.1)
-
Step 950
950 (this color)
#072639
oklch(25.7% 0.05 240.1)
#072639 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) | #1D263A | 0.026 |
| Deuteranopia (no green cones) | #162139 | 0.022 |
| Tritanopia (no blue cones) | #002B2D | 0.034 |
| Achromatopsia (no color) | #242424 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #072639
#072639
oklch(25.7% 0.05 240.1)
- #351D07
#351D07
oklch(25.8% 0.05 60)
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 #072639, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.023
- Dark #1B2431 ΔE 0.025
- Jet #212529 ΔE 0.041
- Rich Black #0D1B2A ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.058
- Gunmetal #293241 ΔE 0.064
- Marine #042E60 ΔE 0.073
- Midnight Green #073B4C ΔE 0.074
Use #072639 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.