#203340
Closest named color: Gunmetal (#293241). oklch(31.1% 0.034 239.2), rgb(32, 51, 64).
Aa
White text reads best on this color (13.05:1).
About this color
#203340 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.034 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.013 away. White text reads best on it, at 13.05:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.60:1 |
| White text | 13.05:1 |
Values
| HEX | #203340 |
| RGB | rgb(32, 51, 64) |
| HSL | hsl(204, 33%, 19%) |
| OKLCH | oklch(31.1% 0.034 239.2) |
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 #203340 | 13.05:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #203340 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #203340 text on white | 13.05:1 | AAA | Lc 99.3 | Preferred for body text |
| #203340 text on black | 1.60:1 | 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
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CCDCE7
oklch(88.6% 0.023 237.7)
-
Step 300
300
#AAC5D8
oklch(80.9% 0.04 238.7)
-
Step 400
400
#7BA7C5
oklch(70.8% 0.065 238.7)
-
Step 500
500
#5890B6
oklch(63% 0.082 239.6)
-
Step 600
600
#3C7AA2
oklch(55.6% 0.089 239.4)
-
Step 700
700
#2D678B
oklch(49.2% 0.083 238.9)
-
Step 800
800
#275471
oklch(42.8% 0.069 239.4)
-
Step 900
900
#25455B
oklch(37.6% 0.054 240.3)
-
Step 950
950 (this color)
#203340
oklch(31.1% 0.034 239.2)
#203340 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) | #2D3341 | 0.019 |
| Deuteranopia (no green cones) | #292F40 | 0.018 |
| Tritanopia (no blue cones) | #133637 | 0.027 |
| Achromatopsia (no color) | #313131 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #203340
#203340
oklch(31.1% 0.034 239.2)
- #3E2C1F
#3E2C1F
oklch(31% 0.035 56.9)
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 #203340, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.013
- Space Cadet #2B2D42 ΔE 0.026
- Dark Blue Grey #1F3B4D ΔE 0.031
- Midnight Green #073B4C ΔE 0.032
- Onyx #343A40 ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.041
- Oxford Blue #1B263B ΔE 0.045
- Dark #1B2431 ΔE 0.054
Use #203340 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.