#136E5A
Closest named color: Dark Green Blue (#1F6357). oklch(48.3% 0.087 173.4), rgb(19, 110, 90).
Aa
White text reads best on this color (6.16:1).
About this color
#136E5A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 48%, its chroma 0.087 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.034 away. White text reads best on it, at 6.16:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.40:1 |
| White text | 6.16:1 |
Values
| HEX | #136E5A |
| RGB | rgb(19, 110, 90) |
| HSL | hsl(167, 71%, 25%) |
| OKLCH | oklch(48.3% 0.087 173.4) |
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 #136E5A | 6.16:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #136E5A | 3.40:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #136E5A text on white | 6.16:1 | AA | Lc 80.4 | Fine for body text |
| #136E5A text on black | 3.40:1 | AA large text | Lc -21.5 | 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 700.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#CADED8
oklch(88.4% 0.023 175.9)
-
Step 300
300
#A6CABE
oklch(80.9% 0.042 173)
-
Step 400
400
#74AF9D
oklch(70.8% 0.067 173.2)
-
Step 500
500
#4B9A85
oklch(63% 0.085 173.8)
-
Step 600
600
#27856E
oklch(55.6% 0.094 172.9)
-
Step 700
700 (this color)
#136E5A
oklch(48.3% 0.087 173.4)
-
Step 800
800
#185C4B
oklch(42.8% 0.073 172.5)
-
Step 900
900
#1C4B3F
oklch(37.6% 0.055 173.8)
-
Step 950
950
#122C25
oklch(27% 0.035 173.9)
#136E5A 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) | #6A6659 | 0.090 |
| Deuteranopia (no green cones) | #5F5E5B | 0.086 |
| Tritanopia (no blue cones) | #006F68 | 0.021 |
| Achromatopsia (no color) | #616161 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #136E5A
#136E5A
oklch(48.3% 0.087 173.4)
- #844962
#844962
oklch(48.4% 0.086 353.9)
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 #136E5A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.034
- Dark Aquamarine #017371 ΔE 0.035
- Dark Aqua #05696B ΔE 0.036
- Deep Turquoise #017374 ΔE 0.039
- Bluegreen #017A79 ΔE 0.052
- Deep Aqua #08787F ΔE 0.058
- Spruce #0A5F38 ΔE 0.062
- Petrol #005F6A ΔE 0.063
Use #136E5A 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.