#012D39
Closest named color: Oxford Blue (#1B263B). oklch(27.6% 0.05 221.4), rgb(1, 45, 57).
Aa
White text reads best on this color (14.62:1).
About this color
#012D39 is a dark, muted teal or cyan. In OKLCH its lightness is 28%, its chroma 0.050 and its hue 221°. 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 14.62:1.
| Hue family | Teals and cyans |
| Lightness | dark (28%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.43:1 |
| White text | 14.62:1 |
Values
| HEX | #012D39 |
| RGB | rgb(1, 45, 57) |
| HSL | hsl(193, 97%, 11%) |
| OKLCH | oklch(27.6% 0.05 221.4) |
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 #012D39 | 14.62:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #012D39 | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #012D39 text on white | 14.62:1 | AAA | Lc 101.1 | Preferred for body text |
| #012D39 text on black | 1.43:1 | 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
#DEEDF2
oklch(93.6% 0.017 219.7)
-
Step 200
200
#C3DFE9
oklch(88.6% 0.033 221.3)
-
Step 300
300
#97CADC
oklch(80.9% 0.059 221.7)
-
Step 400
400
#55AECA
oklch(70.7% 0.094 221.2)
-
Step 500
500
#0098BB
oklch(63% 0.116 221.8)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#00495B
oklch(37.6% 0.069 221.4)
-
Step 950
950 (this color)
#012D39
oklch(27.6% 0.05 221.4)
#012D39 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) | #262C3A | 0.041 |
| Deuteranopia (no green cones) | #1F2639 | 0.037 |
| Tritanopia (no blue cones) | #003131 | 0.024 |
| Achromatopsia (no color) | #292929 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #012D39
#012D39
oklch(27.6% 0.05 221.4)
- #3C1F14
#3C1F14
oklch(27.6% 0.049 41.3)
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 #012D39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.034
- Dark #1B2431 ΔE 0.036
- Jet #212529 ΔE 0.044
- Gunmetal #293241 ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.053
- Midnight Green #073B4C ΔE 0.055
- Rich Black #0D1B2A ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.065
Use #012D39 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.