#012F33
Closest named color: Dark (#1B2431). oklch(27.9% 0.047 203.9), rgb(1, 47, 51).
Aa
White text reads best on this color (14.42:1).
About this color
#012F33 is a dark, muted teal or cyan. In OKLCH its lightness is 28%, its chroma 0.047 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.043 away. White text reads best on it, at 14.42:1.
| Hue family | Teals and cyans |
| Lightness | dark (28%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.45:1 |
| White text | 14.42:1 |
Values
| HEX | #012F33 |
| RGB | rgb(1, 47, 51) |
| HSL | hsl(185, 96%, 10%) |
| OKLCH | oklch(27.9% 0.047 203.9) |
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 #012F33 | 14.42:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #012F33 | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #012F33 text on white | 14.42:1 | AAA | Lc 100.9 | Preferred for body text |
| #012F33 text on black | 1.45:1 | 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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DEEDEF
oklch(93.6% 0.016 206.4)
-
Step 200
200
#C3E0E2
oklch(88.6% 0.031 201.7)
-
Step 300
300
#97CCD1
oklch(81% 0.055 203.4)
-
Step 400
400
#54B1BA
oklch(70.8% 0.089 203.9)
-
Step 500
500
#009CA7
oklch(63.1% 0.108 203.6)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950 (this color)
#012F33
oklch(27.9% 0.047 203.9)
#012F33 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) | #2A2C33 | 0.046 |
| Deuteranopia (no green cones) | #232833 | 0.041 |
| Tritanopia (no blue cones) | #003230 | 0.014 |
| Achromatopsia (no color) | #2A2A2A | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #012F33
#012F33
oklch(27.9% 0.047 203.9)
- #3D1F1D
#3D1F1D
oklch(28% 0.047 24.6)
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 #012F33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.043
- Jet #212529 ΔE 0.044
- Oxford Blue #1B263B ΔE 0.045
- Gunmetal #293241 ΔE 0.054
- Midnight Green #073B4C ΔE 0.056
- Space Cadet #2B2D42 ΔE 0.059
- Dark Blue Grey #1F3B4D ΔE 0.066
- Pakistan Green #283618 ΔE 0.069
Use #012F33 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.