#203C41
Closest named color: Dark Blue Grey (#1F3B4D). oklch(33.6% 0.035 210.2), rgb(32, 60, 65).
Aa
White text reads best on this color (11.77:1).
About this color
#203C41 is a dark, muted teal or cyan. In OKLCH its lightness is 34%, its chroma 0.035 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.023 away. White text reads best on it, at 11.77:1.
| Hue family | Teals and cyans |
| Lightness | dark (34%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.78:1 |
| White text | 11.77:1 |
Values
| HEX | #203C41 |
| RGB | rgb(32, 60, 65) |
| HSL | hsl(189, 34%, 19%) |
| OKLCH | oklch(33.6% 0.035 210.2) |
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 #203C41 | 11.77:1 | AAA | Lc -100.6 | Preferred for body text |
| Black text on #203C41 | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #203C41 text on white | 11.77:1 | AAA | Lc 96.9 | Preferred for body text |
| #203C41 text on black | 1.78:1 | 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 900.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CFDCDE
oklch(88.5% 0.014 207.9)
-
Step 300
300
#AEC6CA
oklch(81% 0.027 208.7)
-
Step 400
400
#83A8AF
oklch(70.7% 0.042 210.4)
-
Step 500
500
#62939C
oklch(63.2% 0.054 210.3)
-
Step 600
600
#487D86
oklch(55.6% 0.058 209.5)
-
Step 700
700
#396972
oklch(49.1% 0.054 211)
-
Step 800
800
#30565D
oklch(42.8% 0.045 210.6)
-
Step 900
900 (this color)
#203C41
oklch(33.6% 0.035 210.2)
-
Step 950
950
#19292C
oklch(26.8% 0.022 210.5)
#203C41 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) | #383A41 | 0.034 |
| Deuteranopia (no green cones) | #323641 | 0.030 |
| Tritanopia (no blue cones) | #103E3D | 0.019 |
| Achromatopsia (no color) | #383838 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #203C41
#203C41
oklch(33.6% 0.035 210.2)
- #47302C
#47302C
oklch(33.5% 0.035 30)
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 #203C41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.023
- Onyx #343A40 ΔE 0.027
- Midnight Green #073B4C ΔE 0.028
- Gunmetal #293241 ΔE 0.035
- Charcoal #264653 ΔE 0.041
- Charcoal Grey #3C4142 ΔE 0.045
- Prussian Blue #1D3557 ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.052
Use #203C41 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.