#052D3B
Closest named color: Oxford Blue (#1B263B). oklch(27.8% 0.049 226.6), rgb(5, 45, 59).
Aa
White text reads best on this color (14.53:1).
About this color
#052D3B is a dark, muted teal or cyan. In OKLCH its lightness is 28%, its chroma 0.049 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.030 away. White text reads best on it, at 14.53:1.
| Hue family | Teals and cyans |
| Lightness | dark (28%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.44:1 |
| White text | 14.53:1 |
Values
| HEX | #052D3B |
| RGB | rgb(5, 45, 59) |
| HSL | hsl(196, 84%, 13%) |
| OKLCH | oklch(27.8% 0.049 226.6) |
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 #052D3B | 14.53:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #052D3B | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #052D3B text on white | 14.53:1 | AAA | Lc 101.1 | Preferred for body text |
| #052D3B text on black | 1.44:1 | 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
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DFECF3
oklch(93.5% 0.017 230.9)
-
Step 200
200
#C4DEEA
oklch(88.5% 0.032 227.3)
-
Step 300
300
#99C9DE
oklch(80.9% 0.058 226.6)
-
Step 400
400
#5AACCE
oklch(70.6% 0.094 227.4)
-
Step 500
500
#0C97C1
oklch(63.1% 0.12 226.8)
-
Step 600
600
#007FA3
oklch(55.6% 0.107 226.4)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#005771
oklch(42.6% 0.082 226.6)
-
Step 900
900
#00495F
oklch(37.8% 0.072 226.2)
-
Step 950
950 (this color)
#052D3B
oklch(27.8% 0.049 226.6)
#052D3B 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) | #252C3C | 0.036 |
| Deuteranopia (no green cones) | #1E273B | 0.031 |
| Tritanopia (no blue cones) | #003132 | 0.026 |
| Achromatopsia (no color) | #292929 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #052D3B
#052D3B
oklch(27.8% 0.049 226.6)
- #3C2012
#3C2012
oklch(27.8% 0.049 46.6)
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 #052D3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.030
- Dark #1B2431 ΔE 0.035
- Jet #212529 ΔE 0.044
- Gunmetal #293241 ΔE 0.048
- Space Cadet #2B2D42 ΔE 0.048
- Midnight Green #073B4C ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.062
Use #052D3B 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.