#052F41
Closest named color: Oxford Blue (#1B263B). oklch(28.7% 0.055 232.1), rgb(5, 47, 65).
Aa
White text reads best on this color (14.09:1).
About this color
#052F41 is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.055 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.034 away. White text reads best on it, at 14.09:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.48:1 |
| White text | 14.09:1 |
Values
| HEX | #052F41 |
| RGB | rgb(5, 47, 65) |
| HSL | hsl(198, 86%, 14%) |
| OKLCH | oklch(28.7% 0.055 232.1) |
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 #052F41 | 14.09:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #052F41 | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #052F41 text on white | 14.09:1 | AAA | Lc 100.5 | Preferred for body text |
| #052F41 text on black | 1.48:1 | 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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DEECF4
oklch(93.5% 0.018 232.5)
-
Step 200
200
#C3DEED
oklch(88.5% 0.035 232.1)
-
Step 300
300
#97C9E4
oklch(81% 0.065 232.2)
-
Step 400
400
#56ACD6
oklch(70.8% 0.103 232)
-
Step 500
500
#0096CA
oklch(63.2% 0.129 232.1)
-
Step 600
600
#007EAA
oklch(55.7% 0.113 231.8)
-
Step 700
700
#006A90
oklch(49.2% 0.1 232)
-
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)
#052F41
oklch(28.7% 0.055 232.1)
#052F41 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) | #262E42 | 0.036 |
| Deuteranopia (no green cones) | #1E2941 | 0.030 |
| Tritanopia (no blue cones) | #003435 | 0.033 |
| Achromatopsia (no color) | #2B2B2B | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #052F41
#052F41
oklch(28.7% 0.055 232.1)
- #40220F
#40220F
oklch(28.8% 0.055 51.3)
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 #052F41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.034
- Gunmetal #293241 ΔE 0.042
- Midnight Green #073B4C ΔE 0.042
- Dark #1B2431 ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.044
- Prussian Blue #1D3557 ΔE 0.050
- Jet #212529 ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.052
Use #052F41 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.