#072B40
Closest named color: Oxford Blue (#1B263B). oklch(27.6% 0.055 239.4), rgb(7, 43, 64).
Aa
White text reads best on this color (14.69:1).
About this color
#072B40 is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.055 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.024 away. White text reads best on it, at 14.69:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.42:1 |
| White text | 14.69:1 |
Values
| HEX | #072B40 |
| RGB | rgb(7, 43, 64) |
| HSL | hsl(202, 80%, 14%) |
| OKLCH | oklch(27.6% 0.055 239.4) |
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 #072B40 | 14.69:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #072B40 | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #072B40 text on white | 14.69:1 | AAA | Lc 101.3 | Preferred for body text |
| #072B40 text on black | 1.42:1 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200
#C4DDEF
oklch(88.5% 0.036 239.2)
-
Step 300
300
#9AC7E7
oklch(80.9% 0.066 239.6)
-
Step 400
400
#5EA9DB
oklch(70.6% 0.105 239.7)
-
Step 500
500
#1F93D1
oklch(63.2% 0.133 239)
-
Step 600
600
#007BB5
oklch(55.6% 0.127 239.8)
-
Step 700
700
#006899
oklch(49.2% 0.111 239.3)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#00466A
oklch(37.6% 0.086 240.1)
-
Step 950
950 (this color)
#072B40
oklch(27.6% 0.055 239.4)
#072B40 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) | #212B41 | 0.029 |
| Deuteranopia (no green cones) | #192640 | 0.023 |
| Tritanopia (no blue cones) | #003032 | 0.037 |
| Achromatopsia (no color) | #282828 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #072B40
#072B40
oklch(27.6% 0.055 239.4)
- #3B2008
#3B2008
oklch(27.5% 0.055 58.7)
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 #072B40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.024
- Dark #1B2431 ΔE 0.035
- Space Cadet #2B2D42 ΔE 0.046
- Jet #212529 ΔE 0.048
- Gunmetal #293241 ΔE 0.049
- Midnight Green #073B4C ΔE 0.055
- Prussian Blue #1D3557 ΔE 0.057
- Marine #042E60 ΔE 0.058
Use #072B40 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.