#122137
Closest named color: Dark (#1B2431). oklch(24.7% 0.047 257.9), rgb(18, 33, 55).
Aa
White text reads best on this color (16.17:1).
About this color
#122137 is a very dark, muted blue. In OKLCH its lightness is 25%, its chroma 0.047 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.022 away. White text reads best on it, at 16.17:1.
| Hue family | Blues |
| Lightness | very dark (25%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.29:1 |
| White text | 16.17:1 |
Values
| HEX | #122137 |
| RGB | rgb(18, 33, 55) |
| HSL | hsl(216, 51%, 14%) |
| OKLCH | oklch(24.7% 0.047 257.9) |
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 #122137 | 16.17:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #122137 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #122137 text on white | 16.17:1 | AAA | Lc 103.0 | Preferred for body text |
| #122137 text on black | 1.29:1 | 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
#CDDAEE
oklch(88.5% 0.031 258.9)
-
Step 300
300
#ABC2E5
oklch(80.9% 0.056 258.7)
-
Step 400
400
#7EA2D8
oklch(70.6% 0.089 258.3)
-
Step 500
500
#5D8ACE
oklch(63.1% 0.114 258.4)
-
Step 600
600
#4273BB
oklch(55.6% 0.125 258)
-
Step 700
700
#3460A1
oklch(49% 0.116 258.1)
-
Step 800
800
#2C4F82
oklch(42.7% 0.094 257.8)
-
Step 900
900
#274269
oklch(37.7% 0.075 257.6)
-
Step 950
950 (this color)
#122137
oklch(24.7% 0.047 257.9)
#122137 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) | #182338 | 0.012 |
| Deuteranopia (no green cones) | #131F37 | 0.007 |
| Tritanopia (no blue cones) | #002629 | 0.041 |
| Achromatopsia (no color) | #212121 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #122137
#122137
oklch(24.7% 0.047 257.9)
- #2D1E03
#2D1E03
oklch(24.8% 0.047 79.2)
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 #122137, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.022
- Oxford Blue #1B263B ΔE 0.023
- Rich Black #0D1B2A ΔE 0.031
- Jet #212529 ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.061
- Navy Blue #001146 ΔE 0.066
- Gunmetal #293241 ΔE 0.071
- Marine #042E60 ΔE 0.080
Use #122137 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.