#012533
Closest named color: Dark (#1B2431). oklch(24.7% 0.048 228.9), rgb(1, 37, 51).
Aa
White text reads best on this color (15.98:1).
About this color
#012533 is a very dark, muted teal or cyan. In OKLCH its lightness is 25%, its chroma 0.048 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.029 away. White text reads best on it, at 15.98:1.
| Hue family | Teals and cyans |
| Lightness | very dark (25%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.31:1 |
| White text | 15.98:1 |
Values
| HEX | #012533 |
| RGB | rgb(1, 37, 51) |
| HSL | hsl(197, 96%, 10%) |
| OKLCH | oklch(24.7% 0.048 228.9) |
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 #012533 | 15.98:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #012533 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #012533 text on white | 15.98:1 | AAA | Lc 102.7 | Preferred for body text |
| #012533 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
#F1F7F9
oklch(97.2% 0.007 219.6)
-
Step 100
100
#DFECF3
oklch(93.5% 0.017 230.9)
-
Step 200
200
#C5DEEA
oklch(88.6% 0.031 228.2)
-
Step 300
300
#9BC8DE
oklch(80.8% 0.057 229.4)
-
Step 400
400
#5FACCD
oklch(70.8% 0.09 227.9)
-
Step 500
500
#2296C1
oklch(63.1% 0.116 229)
-
Step 600
600
#007EA6
oklch(55.5% 0.11 229.3)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950 (this color)
#012533
oklch(24.7% 0.048 228.9)
#012533 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 | 0.034 |
| Deuteranopia (no green cones) | #172033 | 0.028 |
| Tritanopia (no blue cones) | #00292A | 0.026 |
| Achromatopsia (no color) | #222222 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #012533
#012533
oklch(24.7% 0.048 228.9)
- #33190B
#33190B
oklch(24.7% 0.048 47.7)
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 #012533, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.029
- Oxford Blue #1B263B ΔE 0.034
- Rich Black #0D1B2A ΔE 0.036
- Jet #212529 ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.069
- Gunmetal #293241 ΔE 0.073
- Navy Blue #001146 ΔE 0.077
- Rich Navy #001219 ΔE 0.080
Use #012533 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.