#072543
Closest named color: Oxford Blue (#1B263B). oklch(26.1% 0.066 251.8), rgb(7, 37, 67).
Aa
White text reads best on this color (15.50:1).
About this color
#072543 is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.066 and its hue 252°. 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 15.50:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.35:1 |
| White text | 15.50:1 |
Values
| HEX | #072543 |
| RGB | rgb(7, 37, 67) |
| HSL | hsl(210, 81%, 15%) |
| OKLCH | oklch(26.1% 0.066 251.8) |
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 #072543 | 15.50:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #072543 | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #072543 text on white | 15.50:1 | AAA | Lc 102.2 | Preferred for body text |
| #072543 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#DFEBF9
oklch(93.5% 0.023 252.2)
-
Step 200
200
#C5DCF6
oklch(88.6% 0.044 251.5)
-
Step 300
300
#9CC5F2
oklch(81% 0.078 251.1)
-
Step 400
400
#63A5EC
oklch(70.8% 0.125 251.6)
-
Step 500
500
#308CE6
oklch(63.1% 0.16 251.6)
-
Step 600
600
#0074D0
oklch(55.6% 0.166 251.9)
-
Step 700
700
#0061B0
oklch(49% 0.147 252)
-
Step 800
800
#005091
oklch(42.8% 0.126 251.5)
-
Step 900
900
#0A4277
oklch(37.6% 0.105 252.3)
-
Step 950
950 (this color)
#072543
oklch(26.1% 0.066 251.8)
#072543 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) | #172744 | 0.019 |
| Deuteranopia (no green cones) | #0D2242 | 0.010 |
| Tritanopia (no blue cones) | #002C30 | 0.049 |
| Achromatopsia (no color) | #242424 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #072543
#072543
oklch(26.1% 0.066 251.8)
- #351F00
#351F00
oklch(26.2% 0.056 71.5)
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 #072543, 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 0.039
- Rich Black #0D1B2A ΔE 0.053
- Jet #212529 ΔE 0.057
- Marine #042E60 ΔE 0.057
- Space Cadet #2B2D42 ΔE 0.058
- Navy Blue #001146 ΔE 0.064
- Gunmetal #293241 ΔE 0.066
Use #072543 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.