#09313A
Closest named color: Gunmetal (#293241). oklch(29.1% 0.046 216.3), rgb(9, 49, 58).
Aa
White text reads best on this color (13.88:1).
About this color
#09313A is a dark, muted teal or cyan. In OKLCH its lightness is 29%, its chroma 0.046 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.040 away. White text reads best on it, at 13.88:1.
| Hue family | Teals and cyans |
| Lightness | dark (29%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.51:1 |
| White text | 13.88:1 |
Values
| HEX | #09313A |
| RGB | rgb(9, 49, 58) |
| HSL | hsl(191, 73%, 13%) |
| OKLCH | oklch(29.1% 0.046 216.3) |
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 #09313A | 13.88:1 | AAA | Lc -103.4 | Preferred for body text |
| Black text on #09313A | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #09313A text on white | 13.88:1 | AAA | Lc 100.3 | Preferred for body text |
| #09313A text on black | 1.51:1 | 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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DFEDF1
oklch(93.7% 0.016 216.7)
-
Step 200
200
#C4DFE6
oklch(88.6% 0.03 215.1)
-
Step 300
300
#99CAD7
oklch(80.9% 0.054 215.9)
-
Step 400
400
#5BAEC3
oklch(70.7% 0.086 216.4)
-
Step 500
500
#0E99B4
oklch(63% 0.11 216.5)
-
Step 600
600
#008198
oklch(55.6% 0.099 216.1)
-
Step 700
700
#006C80
oklch(49% 0.087 216.4)
-
Step 800
800
#00596A
oklch(42.8% 0.076 216.6)
-
Step 900
900
#004A58
oklch(37.7% 0.067 215.8)
-
Step 950
950 (this color)
#09313A
oklch(29.1% 0.046 216.3)
#09313A 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) | #2B2F3B | 0.040 |
| Deuteranopia (no green cones) | #242A3A | 0.036 |
| Tritanopia (no blue cones) | #003434 | 0.019 |
| Achromatopsia (no color) | #2C2C2C | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #09313A
#09313A
oklch(29.1% 0.046 216.3)
- #3F231B
#3F231B
oklch(29.1% 0.046 36.7)
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 #09313A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.040
- Oxford Blue #1B263B ΔE 0.041
- Midnight Green #073B4C ΔE 0.041
- Dark #1B2431 ΔE 0.045
- Space Cadet #2B2D42 ΔE 0.047
- Jet #212529 ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.058
Use #09313A 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.