#122B3F
Closest named color: Oxford Blue (#1B263B). oklch(28% 0.048 244.9), rgb(18, 43, 63).
Aa
White text reads best on this color (14.55:1).
About this color
#122B3F is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.048 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.019 away. White text reads best on it, at 14.55:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.44:1 |
| White text | 14.55:1 |
Values
| HEX | #122B3F |
| RGB | rgb(18, 43, 63) |
| HSL | hsl(207, 56%, 16%) |
| OKLCH | oklch(28% 0.048 244.9) |
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 #122B3F | 14.55:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #122B3F | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #122B3F text on white | 14.55:1 | AAA | Lc 101.2 | Preferred for body text |
| #122B3F text on black | 1.44:1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C8DCED
oklch(88.5% 0.032 243.7)
-
Step 300
300
#A2C5E4
oklch(80.8% 0.058 245.3)
-
Step 400
400
#6EA7D6
oklch(70.7% 0.091 244.5)
-
Step 500
500
#4490CB
oklch(63.1% 0.117 244.7)
-
Step 600
600
#1E79B8
oklch(55.6% 0.127 244.8)
-
Step 700
700
#0D659F
oklch(49% 0.119 245.4)
-
Step 800
800
#115381
oklch(42.7% 0.099 245.1)
-
Step 900
900
#184567
oklch(37.7% 0.076 244.8)
-
Step 950
950 (this color)
#122B3F
oklch(28% 0.048 244.9)
#122B3F 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) | #222B40 | 0.021 |
| Deuteranopia (no green cones) | #1C273F | 0.017 |
| Tritanopia (no blue cones) | #003032 | 0.037 |
| Achromatopsia (no color) | #292929 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #122B3F
#122B3F
oklch(28% 0.048 244.9)
- #39230C
#39230C
oklch(27.9% 0.049 64.5)
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 #122B3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.019
- Dark #1B2431 ΔE 0.031
- Space Cadet #2B2D42 ΔE 0.037
- Gunmetal #293241 ΔE 0.042
- Jet #212529 ΔE 0.043
- Prussian Blue #1D3557 ΔE 0.053
- Midnight Green #073B4C ΔE 0.054
- Dark Blue Grey #1F3B4D ΔE 0.059
Use #122B3F 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.