#135A61
Closest named color: Petrol (#005F6A). oklch(42.9% 0.067 205), rgb(19, 90, 97).
Aa
White text reads best on this color (7.88:1).
About this color
#135A61 is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.067 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.018 away. White text reads best on it, at 7.88:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.66:1 |
| White text | 7.88:1 |
Values
| HEX | #135A61 |
| RGB | rgb(19, 90, 97) |
| HSL | hsl(185, 67%, 23%) |
| OKLCH | oklch(42.9% 0.067 205) |
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 #135A61 | 7.88:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #135A61 | 2.66:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #135A61 text on white | 7.88:1 | AAA | Lc 87.0 | Fine for body text |
| #135A61 text on black | 2.66:1 | Fails | Lc -15.1 | Dividers and decoration only |
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
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300
#A4C8CD
oklch(80.8% 0.039 206.8)
-
Step 400
400
#71ACB3
oklch(70.7% 0.062 205.3)
-
Step 500
500
#4697A0
oklch(63% 0.08 205.1)
-
Step 600
600
#1F828B
oklch(55.7% 0.087 204.2)
-
Step 700
700
#0D6E76
oklch(49.2% 0.081 204)
-
Step 800
800 (this color)
#135A61
oklch(42.9% 0.067 205)
-
Step 900
900
#194A4F
oklch(37.9% 0.052 204.6)
-
Step 950
950
#102B2E
oklch(27% 0.033 205.1)
#135A61 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) | #525661 | 0.066 |
| Deuteranopia (no green cones) | #474E61 | 0.060 |
| Tritanopia (no blue cones) | #005E5C | 0.019 |
| Achromatopsia (no color) | #515151 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #135A61
#135A61
oklch(42.9% 0.067 205)
- #70413D
#70413D
oklch(43% 0.066 25.4)
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 #135A61, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.018
- Deep Teal #00555A ΔE 0.021
- Dark Green Blue #1F6357 ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.040
- Dark Blue Green #005249 ΔE 0.045
- Dark Aqua #05696B ΔE 0.046
- Dark Teal #014D4E ΔE 0.049
- YInMn Blue #415A77 ΔE 0.059
Use #135A61 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.