#002A3F
Closest named color: Oxford Blue (#1B263B). oklch(27% 0.059 236.5), rgb(0, 42, 63).
Aa
White text reads best on this color (14.96:1).
About this color
#002A3F is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.059 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.028 away. White text reads best on it, at 14.96:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.40:1 |
| White text | 14.96:1 |
Values
| HEX | #002A3F |
| RGB | rgb(0, 42, 63) |
| HSL | hsl(200, 100%, 12%) |
| OKLCH | oklch(27% 0.059 236.5) |
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 #002A3F | 14.96:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #002A3F | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #002A3F text on white | 14.96:1 | AAA | Lc 101.5 | Preferred for body text |
| #002A3F 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
#F0F7FB
oklch(97.2% 0.009 232.4)
-
Step 100
100
#DEECF6
oklch(93.6% 0.02 238.7)
-
Step 200
200
#C2DEF0
oklch(88.6% 0.039 236.1)
-
Step 300
300
#96C8E8
oklch(80.9% 0.069 236.8)
-
Step 400
400
#54ABDD
oklch(70.8% 0.111 236.5)
-
Step 500
500
#0094D1
oklch(63.1% 0.137 236.6)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950 (this color)
#002A3F
oklch(27% 0.059 236.5)
#002A3F 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) | #202A40 | 0.034 |
| Deuteranopia (no green cones) | #17243F | 0.027 |
| Tritanopia (no blue cones) | #002F31 | 0.036 |
| Achromatopsia (no color) | #272727 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #002A3F
#002A3F
oklch(27% 0.059 236.5)
- #3B1E05
#3B1E05
oklch(27% 0.058 57.5)
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 #002A3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.028
- Dark #1B2431 ΔE 0.036
- Jet #212529 ΔE 0.050
- Space Cadet #2B2D42 ΔE 0.053
- Gunmetal #293241 ΔE 0.057
- Rich Black #0D1B2A ΔE 0.058
- Midnight Green #073B4C ΔE 0.060
- Marine #042E60 ΔE 0.061
Use #002A3F 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.