#203142
Closest named color: Gunmetal (#293241). oklch(30.6% 0.038 249.2), rgb(32, 49, 66).
Aa
White text reads best on this color (13.29:1).
About this color
#203142 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.038 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.014 away. White text reads best on it, at 13.29:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.57:1 |
| White text | 13.29:1 |
Values
| HEX | #203142 |
| RGB | rgb(32, 49, 66) |
| HSL | hsl(210, 35%, 19%) |
| OKLCH | oklch(30.6% 0.038 249.2) |
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 #203142 | 13.29:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #203142 | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #203142 text on white | 13.29:1 | AAA | Lc 99.6 | Preferred for body text |
| #203142 text on black | 1.57:1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CDDBE9
oklch(88.5% 0.025 248.1)
-
Step 300
300
#ABC4DD
oklch(81% 0.045 248.4)
-
Step 400
400
#7EA5CC
oklch(70.8% 0.072 248.9)
-
Step 500
500
#5C8EBF
oklch(63.2% 0.092 249)
-
Step 600
600
#4177AC
oklch(55.6% 0.101 249.7)
-
Step 700
700
#326493
oklch(49.1% 0.093 249)
-
Step 800
800
#2A5277
oklch(42.7% 0.077 248.4)
-
Step 900
900
#274460
oklch(37.7% 0.06 248.9)
-
Step 950
950 (this color)
#203142
oklch(30.6% 0.038 249.2)
#203142 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) | #2A3143 | 0.015 |
| Deuteranopia (no green cones) | #262E42 | 0.012 |
| Tritanopia (no blue cones) | #123537 | 0.032 |
| Achromatopsia (no color) | #2F2F2F | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #203142
#203142
oklch(30.6% 0.038 249.2)
- #3C2C1A
#3C2C1A
oklch(30.7% 0.038 68.9)
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 #203142, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.014
- Space Cadet #2B2D42 ΔE 0.020
- Dark Blue Grey #1F3B4D ΔE 0.034
- Midnight Green #073B4C ΔE 0.036
- Prussian Blue #1D3557 ΔE 0.037
- Oxford Blue #1B263B ΔE 0.039
- Onyx #343A40 ΔE 0.046
- Dark #1B2431 ΔE 0.050
Use #203142 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.