#022533
Closest named color: Dark (#1B2431). oklch(24.8% 0.047 229.4), rgb(2, 37, 51).
Aa
White text reads best on this color (15.96:1).
About this color
#022533 is a very dark, muted teal or cyan. In OKLCH its lightness is 25%, its chroma 0.047 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.028 away. White text reads best on it, at 15.96:1.
| Hue family | Teals and cyans |
| Lightness | very dark (25%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.31:1 |
| White text | 15.96:1 |
Values
| HEX | #022533 |
| RGB | rgb(2, 37, 51) |
| HSL | hsl(197, 92%, 10%) |
| OKLCH | oklch(24.8% 0.047 229.4) |
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 #022533 | 15.96:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #022533 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #022533 text on white | 15.96:1 | AAA | Lc 102.7 | Preferred for body text |
| #022533 text on black | 1.31:1 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C5DEEA
oklch(88.6% 0.031 228.2)
-
Step 300
300
#9CC8DE
oklch(80.9% 0.056 229.9)
-
Step 400
400
#61ABCD
oklch(70.6% 0.089 229.6)
-
Step 500
500
#2796C0
oklch(63.2% 0.113 228.9)
-
Step 600
600
#007EA7
oklch(55.5% 0.111 230)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#014861
oklch(37.6% 0.074 229.9)
-
Step 950
950 (this color)
#022533
oklch(24.8% 0.047 229.4)
#022533 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) | #1E2434 | 0.033 |
| Deuteranopia (no green cones) | #172033 | 0.027 |
| Tritanopia (no blue cones) | #00292A | 0.026 |
| Achromatopsia (no color) | #222222 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #022533
#022533
oklch(24.8% 0.047 229.4)
- #331A0B
#331A0B
oklch(24.9% 0.047 50.2)
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 #022533, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.028
- Oxford Blue #1B263B ΔE 0.033
- Rich Black #0D1B2A ΔE 0.036
- Jet #212529 ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.068
- Gunmetal #293241 ΔE 0.072
- Navy Blue #001146 ΔE 0.078
- Rich Navy #001219 ΔE 0.081
Use #022533 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.