#13313B
Closest named color: Gunmetal (#293241). oklch(29.5% 0.04 222.6), rgb(19, 49, 59).
Aa
White text reads best on this color (13.72:1).
About this color
#13313B is a dark, muted teal or cyan. In OKLCH its lightness is 30%, its chroma 0.040 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.032 away. White text reads best on it, at 13.72:1.
| Hue family | Teals and cyans |
| Lightness | dark (30%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.53:1 |
| White text | 13.72:1 |
Values
| HEX | #13313B |
| RGB | rgb(19, 49, 59) |
| HSL | hsl(195, 51%, 15%) |
| OKLCH | oklch(29.5% 0.04 222.6) |
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 #13313B | 13.72:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #13313B | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #13313B text on white | 13.72:1 | AAA | Lc 100.2 | Preferred for body text |
| #13313B text on black | 1.53:1 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C7DDE6
oklch(88.4% 0.027 224.3)
-
Step 300
300
#A0C8D7
oklch(80.9% 0.047 222.7)
-
Step 400
400
#69ABC3
oklch(70.6% 0.076 223.3)
-
Step 500
500
#3996B4
oklch(63.1% 0.097 223)
-
Step 600
600
#00809F
oklch(55.6% 0.103 222.6)
-
Step 700
700
#006B86
oklch(49% 0.091 223.1)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900
#0F495A
oklch(37.8% 0.063 222.4)
-
Step 950
950 (this color)
#13313B
oklch(29.5% 0.04 222.6)
#13313B 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) | #2B303C | 0.032 |
| Deuteranopia (no green cones) | #252B3B | 0.029 |
| Tritanopia (no blue cones) | #003434 | 0.024 |
| Achromatopsia (no color) | #2D2D2D | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13313B
#13313B
oklch(29.5% 0.04 222.6)
- #3E261C
#3E261C
oklch(29.6% 0.041 43.4)
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 #13313B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.032
- Oxford Blue #1B263B ΔE 0.038
- Space Cadet #2B2D42 ΔE 0.038
- Midnight Green #073B4C ΔE 0.039
- Dark #1B2431 ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.046
- Jet #212529 ΔE 0.046
- Prussian Blue #1D3557 ΔE 0.053
Use #13313B 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.