#12274E
Closest named color: Oxford Blue (#1B263B). oklch(27.9% 0.077 261.5), rgb(18, 39, 78).
Aa
White text reads best on this color (14.72:1).
About this color
#12274E is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.077 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.036 away. White text reads best on it, at 14.72:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.42:1 |
| White text | 14.72:1 |
Values
| HEX | #12274E |
| RGB | rgb(18, 39, 78) |
| HSL | hsl(219, 63%, 19%) |
| OKLCH | oklch(27.9% 0.077 261.5) |
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 #12274E | 14.72:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #12274E | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #12274E text on white | 14.72:1 | AAA | Lc 101.4 | Preferred for body text |
| #12274E text on black | 1.42:1 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EAFC
oklch(93.5% 0.027 262.3)
-
Step 200
200
#C7DAFB
oklch(88.5% 0.05 261.5)
-
Step 300
300
#A0C1FC
oklch(80.8% 0.091 261.8)
-
Step 400
400
#6C9FFB
oklch(70.7% 0.146 261.4)
-
Step 500
500
#4583F8
oklch(63% 0.187 261.7)
-
Step 600
600
#2769E7
oklch(55.5% 0.203 261.7)
-
Step 700
700
#1A57C9
oklch(49.2% 0.188 261.5)
-
Step 800
800
#1848A2
oklch(42.7% 0.155 261.5)
-
Step 900
900
#1A3D81
oklch(37.7% 0.122 261.9)
-
Step 950
950 (this color)
#12274E
oklch(27.9% 0.077 261.5)
#12274E 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) | #132B4F | 0.013 |
| Deuteranopia (no green cones) | #08264D | 0.011 |
| Tritanopia (no blue cones) | #003036 | 0.062 |
| Achromatopsia (no color) | #282828 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12274E
#12274E
oklch(27.9% 0.077 261.5)
- #372500
#372500
oklch(27.9% 0.058 81)
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 #12274E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.036
- Marine #042E60 ΔE 0.036
- Prussian Blue #1D3557 ΔE 0.049
- Space Cadet #2B2D42 ΔE 0.049
- Dark #1B2431 ΔE 0.054
- Gunmetal #293241 ΔE 0.059
- Marine Blue #01386A ΔE 0.066
- Midnight Green #073B4C ΔE 0.067
Use #12274E 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.