#12293C
Closest named color: Oxford Blue (#1B263B). oklch(27.2% 0.046 245.5), rgb(18, 41, 60).
Aa
White text reads best on this color (14.91:1).
About this color
#12293C is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.046 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.014 away. White text reads best on it, at 14.91:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.40:1 |
| White text | 14.91:1 |
Values
| HEX | #12293C |
| RGB | rgb(18, 41, 60) |
| HSL | hsl(207, 54%, 15%) |
| OKLCH | oklch(27.2% 0.046 245.5) |
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 #12293C | 14.91:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #12293C | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #12293C text on white | 14.91:1 | AAA | Lc 101.7 | Preferred for body text |
| #12293C 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#C9DCEC
oklch(88.5% 0.03 243.4)
-
Step 300
300
#A4C5E2
oklch(80.9% 0.054 245.1)
-
Step 400
400
#72A6D4
oklch(70.6% 0.087 246.1)
-
Step 500
500
#4A8FC8
oklch(63% 0.111 245.8)
-
Step 600
600
#2879B5
oklch(55.7% 0.121 245.2)
-
Step 700
700
#1A659C
oklch(49.1% 0.113 245.8)
-
Step 800
800
#19537E
oklch(42.7% 0.092 245.2)
-
Step 900
900
#1C4565
oklch(37.7% 0.072 245)
-
Step 950
950 (this color)
#12293C
oklch(27.2% 0.046 245.5)
#12293C 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) | #21293D | 0.021 |
| Deuteranopia (no green cones) | #1B253C | 0.017 |
| Tritanopia (no blue cones) | #002E30 | 0.036 |
| Achromatopsia (no color) | #272727 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12293C
#12293C
oklch(27.2% 0.046 245.5)
- #36220C
#36220C
oklch(27.2% 0.046 66.2)
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 #12293C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.014
- Dark #1B2431 ΔE 0.024
- Jet #212529 ΔE 0.038
- Space Cadet #2B2D42 ΔE 0.042
- Gunmetal #293241 ΔE 0.047
- Rich Black #0D1B2A ΔE 0.056
- Prussian Blue #1D3557 ΔE 0.061
- Midnight Green #073B4C ΔE 0.061
Use #12293C 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.