#052939
Closest named color: Oxford Blue (#1B263B). oklch(26.5% 0.049 232.3), rgb(5, 41, 57).
Aa
White text reads best on this color (15.18:1).
About this color
#052939 is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.049 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.025 away. White text reads best on it, at 15.18:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.38:1 |
| White text | 15.18:1 |
Values
| HEX | #052939 |
| RGB | rgb(5, 41, 57) |
| HSL | hsl(198, 84%, 12%) |
| OKLCH | oklch(26.5% 0.049 232.3) |
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 #052939 | 15.18:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #052939 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #052939 text on white | 15.18:1 | AAA | Lc 101.9 | Preferred for body text |
| #052939 text on black | 1.38:1 | 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
#DFECF3
oklch(93.5% 0.017 230.9)
-
Step 200
200
#C5DDEB
oklch(88.4% 0.032 233.3)
-
Step 300
300
#9BC8E0
oklch(80.9% 0.058 231.7)
-
Step 400
400
#60ABD1
oklch(70.7% 0.093 232.2)
-
Step 500
500
#2395C5
oklch(63.1% 0.119 232.2)
-
Step 600
600
#007EAA
oklch(55.7% 0.113 231.8)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950 (this color)
#052939
oklch(26.5% 0.049 232.3)
#052939 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) | #21283A | 0.032 |
| Deuteranopia (no green cones) | #1A2439 | 0.026 |
| Tritanopia (no blue cones) | #002D2E | 0.029 |
| Achromatopsia (no color) | #262626 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #052939
#052939
oklch(26.5% 0.049 232.3)
- #381E0D
#381E0D
oklch(26.6% 0.049 52.3)
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 #052939, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.025
- Dark #1B2431 ΔE 0.028
- Jet #212529 ΔE 0.040
- Rich Black #0D1B2A ΔE 0.051
- Space Cadet #2B2D42 ΔE 0.054
- Gunmetal #293241 ΔE 0.057
- Midnight Green #073B4C ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.070
Use #052939 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.