#122037
Closest named color: Dark (#1B2431). oklch(24.4% 0.048 259.9), rgb(18, 32, 55).
Aa
White text reads best on this color (16.31:1).
About this color
#122037 is a very dark, muted blue. In OKLCH its lightness is 24%, its chroma 0.048 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.025 away. White text reads best on it, at 16.31:1.
| Hue family | Blues |
| Lightness | very dark (24%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.28:1 |
| White text | 16.31:1 |
Values
| HEX | #122037 |
| RGB | rgb(18, 32, 55) |
| HSL | hsl(217, 51%, 14%) |
| OKLCH | oklch(24.4% 0.048 259.9) |
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 #122037 | 16.31:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #122037 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #122037 text on white | 16.31:1 | AAA | Lc 103.2 | Preferred for body text |
| #122037 text on black | 1.28:1 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CDDAEF
oklch(88.5% 0.032 260)
-
Step 300
300
#ABC2E6
oklch(80.9% 0.057 259.3)
-
Step 400
400
#7FA2DA
oklch(70.8% 0.091 259.6)
-
Step 500
500
#5E89D0
oklch(63% 0.118 260)
-
Step 600
600
#4572BD
oklch(55.6% 0.127 260.1)
-
Step 700
700
#365FA3
oklch(49% 0.119 260)
-
Step 800
800
#2D4E84
oklch(42.7% 0.098 259.8)
-
Step 900
900
#29416A
oklch(37.7% 0.077 260.5)
-
Step 950
950 (this color)
#122037
oklch(24.4% 0.048 259.9)
#122037 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) | #172238 | 0.011 |
| Deuteranopia (no green cones) | #121E37 | 0.007 |
| Tritanopia (no blue cones) | #002528 | 0.043 |
| Achromatopsia (no color) | #202020 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #122037
#122037
oklch(24.4% 0.048 259.9)
- #2C1D01
#2C1D01
oklch(24.3% 0.049 80.3)
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 #122037, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.025
- Oxford Blue #1B263B ΔE 0.026
- Rich Black #0D1B2A ΔE 0.030
- Jet #212529 ΔE 0.043
- Navy Blue #001146 ΔE 0.064
- Space Cadet #2B2D42 ΔE 0.064
- Gunmetal #293241 ΔE 0.074
- Rich Navy #001219 ΔE 0.081
Use #122037 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.