#072440
Closest named color: Oxford Blue (#1B263B). oklch(25.6% 0.063 251), rgb(7, 36, 64).
Aa
White text reads best on this color (15.72:1).
About this color
#072440 is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.063 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.027 away. White text reads best on it, at 15.72:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.33:1 |
| White text | 15.72:1 |
Values
| HEX | #072440 |
| RGB | rgb(7, 36, 64) |
| HSL | hsl(209, 80%, 14%) |
| OKLCH | oklch(25.6% 0.063 251) |
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 #072440 | 15.72:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #072440 | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #072440 text on white | 15.72:1 | AAA | Lc 102.5 | Preferred for body text |
| #072440 text on black | 1.33:1 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF8
oklch(93.6% 0.021 252.5)
-
Step 200
200
#C6DCF4
oklch(88.6% 0.041 250.6)
-
Step 300
300
#9DC5F0
oklch(81% 0.075 250.6)
-
Step 400
400
#65A5E8
oklch(70.7% 0.119 250.9)
-
Step 500
500
#358DE1
oklch(63.2% 0.151 250.7)
-
Step 600
600
#0075CD
oklch(55.6% 0.161 250.9)
-
Step 700
700
#0062AE
oklch(49.1% 0.143 251.1)
-
Step 800
800
#005090
oklch(42.7% 0.125 251.1)
-
Step 900
900
#0D4374
oklch(37.7% 0.099 251)
-
Step 950
950 (this color)
#072440
oklch(25.6% 0.063 251)
#072440 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) | #172641 | 0.020 |
| Deuteranopia (no green cones) | #0E213F | 0.011 |
| Tritanopia (no blue cones) | #002B2E | 0.048 |
| Achromatopsia (no color) | #232323 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #072440
#072440
oklch(25.6% 0.063 251)
- #331E00
#331E00
oklch(25.6% 0.055 72.3)
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 #072440, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.027
- Dark #1B2431 ΔE 0.035
- Rich Black #0D1B2A ΔE 0.047
- Jet #212529 ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.060
- Navy Blue #001146 ΔE 0.062
- Marine #042E60 ΔE 0.063
- Gunmetal #293241 ΔE 0.068
Use #072440 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.