#002B39
Closest named color: Oxford Blue (#1B263B). oklch(26.9% 0.051 225.5), rgb(0, 43, 57).
Aa
White text reads best on this color (14.95:1).
About this color
#002B39 is a dark, muted teal or cyan. In OKLCH its lightness is 27%, its chroma 0.051 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.031 away. White text reads best on it, at 14.95:1.
| Hue family | Teals and cyans |
| Lightness | dark (27%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.40:1 |
| White text | 14.95:1 |
Values
| HEX | #002B39 |
| RGB | rgb(0, 43, 57) |
| HSL | hsl(195, 100%, 11%) |
| OKLCH | oklch(26.9% 0.051 225.5) |
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 #002B39 | 14.95:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #002B39 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #002B39 text on white | 14.95:1 | AAA | Lc 101.5 | Preferred for body text |
| #002B39 text on black | 1.40:1 | 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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DEEDF3
oklch(93.7% 0.018 223.6)
-
Step 200
200
#C3DEEA
oklch(88.4% 0.033 226.4)
-
Step 300
300
#97C9DF
oklch(80.8% 0.061 226.8)
-
Step 400
400
#55ADCE
oklch(70.6% 0.097 225.3)
-
Step 500
500
#0097C0
oklch(63% 0.12 225.7)
-
Step 600
600
#007FA2
oklch(55.5% 0.106 225.7)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950 (this color)
#002B39
oklch(26.9% 0.051 225.5)
#002B39 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) | #232A3A | 0.038 |
| Deuteranopia (no green cones) | #1C2539 | 0.033 |
| Tritanopia (no blue cones) | #002F30 | 0.026 |
| Achromatopsia (no color) | #272727 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #002B39
#002B39
oklch(26.9% 0.051 225.5)
- #3A1D10
#3A1D10
oklch(26.8% 0.051 44.2)
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 #002B39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.031
- Dark #1B2431 ΔE 0.033
- Jet #212529 ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.055
- Gunmetal #293241 ΔE 0.056
- Rich Black #0D1B2A ΔE 0.057
- Midnight Green #073B4C ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.069
Use #002B39 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.