#00293B
Closest named color: Oxford Blue (#1B263B). oklch(26.4% 0.055 232.9), rgb(0, 41, 59).
Aa
White text reads best on this color (15.21:1).
About this color
#00293B is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.055 and its hue 233°. 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 15.21:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.38:1 |
| White text | 15.21:1 |
Values
| HEX | #00293B |
| RGB | rgb(0, 41, 59) |
| HSL | hsl(198, 100%, 12%) |
| OKLCH | oklch(26.4% 0.055 232.9) |
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 #00293B | 15.21:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #00293B | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #00293B text on white | 15.21:1 | AAA | Lc 101.8 | Preferred for body text |
| #00293B text on black | 1.38:1 | 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
#DEECF4
oklch(93.5% 0.018 232.5)
-
Step 200
200
#C3DEED
oklch(88.5% 0.035 232.1)
-
Step 300
300
#97C8E4
oklch(80.8% 0.065 233.7)
-
Step 400
400
#57ABD6
oklch(70.6% 0.103 233.1)
-
Step 500
500
#0095CB
oklch(63% 0.131 233.2)
-
Step 600
600
#007DAB
oklch(55.5% 0.115 233.2)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#004864
oklch(37.8% 0.078 232.8)
-
Step 950
950 (this color)
#00293B
oklch(26.4% 0.055 232.9)
#00293B 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) | #20293C | 0.035 |
| Deuteranopia (no green cones) | #18233B | 0.029 |
| Tritanopia (no blue cones) | #002E2F | 0.033 |
| Achromatopsia (no color) | #262626 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00293B
#00293B
oklch(26.4% 0.055 232.9)
- #391D08
#391D08
oklch(26.5% 0.054 54.5)
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 #00293B, 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 0.032
- Jet #212529 ΔE 0.045
- Rich Black #0D1B2A ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.057
- Gunmetal #293241 ΔE 0.060
- Midnight Green #073B4C ΔE 0.065
- Marine #042E60 ΔE 0.069
Use #00293B 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.