#13575D
Closest named color: Deep Teal (#00555A). oklch(41.9% 0.065 203.9), rgb(19, 87, 93).
Aa
White text reads best on this color (8.23:1).
About this color
#13575D is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.065 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.012 away. White text reads best on it, at 8.23:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.54:1 |
| White text | 8.23:1 |
Values
| HEX | #13575D |
| RGB | rgb(19, 87, 93) |
| HSL | hsl(185, 66%, 22%) |
| OKLCH | oklch(41.9% 0.065 203.9) |
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 #13575D | 8.23:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #13575D | 2.54:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #13575D text on white | 8.23:1 | AAA | Lc 88.2 | Fine for body text |
| #13575D text on black | 2.54:1 | Fails | Lc -14.0 | 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 800.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CADDDF
oklch(88.4% 0.021 204.4)
-
Step 300
300
#A5C8CC
oklch(80.9% 0.038 205)
-
Step 400
400
#72ACB2
oklch(70.7% 0.061 204.1)
-
Step 500
500
#49979F
oklch(63% 0.077 204.3)
-
Step 600
600
#25818A
oklch(55.5% 0.084 204.6)
-
Step 700
700
#156D75
oklch(49% 0.078 204.4)
-
Step 800
800 (this color)
#13575D
oklch(41.9% 0.065 203.9)
-
Step 900
900
#1B494E
oklch(37.6% 0.05 205.1)
-
Step 950
950
#112B2E
oklch(27% 0.032 205.4)
#13575D 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) | #4F535D | 0.064 |
| Deuteranopia (no green cones) | #454B5D | 0.060 |
| Tritanopia (no blue cones) | #005B59 | 0.018 |
| Achromatopsia (no color) | #4F4F4F | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13575D
#13575D
oklch(41.9% 0.065 203.9)
- #6C3E3C
#6C3E3C
oklch(41.9% 0.065 22.9)
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 #13575D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.012
- Petrol #005F6A ΔE 0.028
- Dark Slate Gray #2F4F4F ΔE 0.032
- Dark Blue Green #005249 ΔE 0.036
- Dark Teal #014D4E ΔE 0.039
- Dark Green Blue #1F6357 ΔE 0.045
- Charcoal #264653 ΔE 0.053
- Dark Grey Blue #29465B ΔE 0.055
Use #13575D 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.