#12293E
Closest named color: Oxford Blue (#1B263B). oklch(27.3% 0.049 248.1), rgb(18, 41, 62).
Aa
White text reads best on this color (14.86:1).
About this color
#12293E is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.049 and its hue 248°. 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 14.86:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.41:1 |
| White text | 14.86:1 |
Values
| HEX | #12293E |
| RGB | rgb(18, 41, 62) |
| HSL | hsl(209, 55%, 16%) |
| OKLCH | oklch(27.3% 0.049 248.1) |
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 #12293E | 14.86:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #12293E | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #12293E text on white | 14.86:1 | AAA | Lc 101.6 | Preferred for body text |
| #12293E text on black | 1.41:1 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DCEE
oklch(88.6% 0.032 246.7)
-
Step 300
300
#A4C5E5
oklch(81% 0.058 247.7)
-
Step 400
400
#71A6D8
oklch(70.8% 0.093 247.8)
-
Step 500
500
#498FCD
oklch(63.2% 0.118 247.6)
-
Step 600
600
#2777BA
oklch(55.5% 0.129 248.2)
-
Step 700
700
#1964A1
oklch(49.1% 0.12 248.4)
-
Step 800
800
#185282
oklch(42.7% 0.099 248)
-
Step 900
900
#1B4468
oklch(37.6% 0.077 248)
-
Step 950
950 (this color)
#12293E
oklch(27.3% 0.049 248.1)
#12293E 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) | #202A3F | 0.019 |
| Deuteranopia (no green cones) | #1A253E | 0.016 |
| Tritanopia (no blue cones) | #002E30 | 0.039 |
| Achromatopsia (no color) | #272727 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12293E
#12293E
oklch(27.3% 0.049 248.1)
- #372209
#372209
oklch(27.3% 0.049 67.5)
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 #12293E, 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 0.027
- Space Cadet #2B2D42 ΔE 0.041
- Jet #212529 ΔE 0.041
- Gunmetal #293241 ΔE 0.047
- Rich Black #0D1B2A ΔE 0.057
- Prussian Blue #1D3557 ΔE 0.058
- Midnight Green #073B4C ΔE 0.060
Use #12293E 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.