#135751
Closest named color: Deep Teal (#00555A). oklch(41.5% 0.066 186.2), rgb(19, 87, 81).
Aa
White text reads best on this color (8.36:1).
About this color
#135751 is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.066 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.019 away. White text reads best on it, at 8.36:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.50:1 |
| White text | 8.36:1 |
Values
| HEX | #135751 |
| RGB | rgb(19, 87, 81) |
| HSL | hsl(175, 64%, 21%) |
| OKLCH | oklch(41.5% 0.066 186.2) |
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 #135751 | 8.36:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #135751 | 2.50:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #135751 text on white | 8.36:1 | AAA | Lc 88.6 | Fine for body text |
| #135751 text on black | 2.50:1 | Fails | Lc -13.6 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CADEDB
oklch(88.5% 0.022 186)
-
Step 300
300
#A6C9C4
oklch(80.9% 0.038 185.9)
-
Step 400
400
#73ADA6
oklch(70.6% 0.061 186.4)
-
Step 500
500
#4B9991
oklch(63.1% 0.078 186.6)
-
Step 600
600
#27837B
oklch(55.5% 0.085 186.6)
-
Step 700
700
#176F68
oklch(49.1% 0.079 186.8)
-
Step 800
800 (this color)
#135751
oklch(41.5% 0.066 186.2)
-
Step 900
900
#1C4A46
oklch(37.6% 0.051 187.5)
-
Step 950
950
#122C29
oklch(27.1% 0.033 185.7)
#135751 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) | #525251 | 0.070 |
| Deuteranopia (no green cones) | #484B52 | 0.065 |
| Tritanopia (no blue cones) | #005955 | 0.009 |
| Achromatopsia (no color) | #4E4E4E | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #135751
#135751
oklch(41.5% 0.066 186.2)
- #6A3C46
#6A3C46
oklch(41.5% 0.066 6.3)
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 #135751, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.019
- Dark Blue Green #005249 ΔE 0.022
- Dark Slate Gray #2F4F4F ΔE 0.031
- Dark Teal #014D4E ΔE 0.035
- Dark Green Blue #1F6357 ΔE 0.040
- Petrol #005F6A ΔE 0.042
- Spruce #0A5F38 ΔE 0.055
- Pine #2B5D34 ΔE 0.056
Use #135751 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.