#12234A
Closest named color: Oxford Blue (#1B263B). oklch(26.6% 0.076 264.2), rgb(18, 35, 74).
Aa
White text reads best on this color (15.38:1).
About this color
#12234A is a dark, moderately saturated blue. In OKLCH its lightness is 27%, its chroma 0.076 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.034 away. White text reads best on it, at 15.38:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.36:1 |
| White text | 15.38:1 |
Values
| HEX | #12234A |
| RGB | rgb(18, 35, 74) |
| HSL | hsl(222, 61%, 18%) |
| OKLCH | oklch(26.6% 0.076 264.2) |
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 #12234A | 15.38:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #12234A | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #12234A text on white | 15.38:1 | AAA | Lc 102.1 | Preferred for body text |
| #12234A text on black | 1.36:1 | 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
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C9DAFB
oklch(88.6% 0.049 263.7)
-
Step 300
300
#A3C0FC
oklch(80.8% 0.091 264.4)
-
Step 400
400
#729DFA
oklch(70.6% 0.145 264.3)
-
Step 500
500
#4F82F7
oklch(63.1% 0.183 264.1)
-
Step 600
600
#3468E6
oklch(55.6% 0.2 264)
-
Step 700
700
#2855C8
oklch(49.1% 0.186 264.3)
-
Step 800
800
#2247A2
oklch(42.8% 0.154 264.2)
-
Step 900
900
#203C80
oklch(37.6% 0.12 264.5)
-
Step 950
950 (this color)
#12234A
oklch(26.6% 0.076 264.2)
#12234A 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) | #0F274B | 0.012 |
| Deuteranopia (no green cones) | #042249 | 0.015 |
| Tritanopia (no blue cones) | #002C32 | 0.063 |
| Achromatopsia (no color) | #252525 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12234A
#12234A
oklch(26.6% 0.076 264.2)
- #322300
#322300
oklch(26.7% 0.055 84.6)
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 #12234A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.034
- Marine #042E60 ΔE 0.048
- Dark #1B2431 ΔE 0.049
- Space Cadet #2B2D42 ΔE 0.056
- Navy Blue #001146 ΔE 0.062
- Prussian Blue #1D3557 ΔE 0.063
- Rich Black #0D1B2A ΔE 0.064
- Dark Indigo #1F0954 ΔE 0.065
Use #12234A 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.