#156E72
Closest named color: Deep Turquoise (#017374). oklch(49.2% 0.078 199.6), rgb(21, 110, 114).
Aa
White text reads best on this color (5.99:1).
About this color
#156E72 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 49%, its chroma 0.078 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Turquoise (#017374), ΔE 0.015 away. White text reads best on it, at 5.99:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Deep Turquoise (#017374) |
| Black text | 3.50:1 |
| White text | 5.99:1 |
Values
| HEX | #156E72 |
| RGB | rgb(21, 110, 114) |
| HSL | hsl(183, 69%, 26%) |
| OKLCH | oklch(49.2% 0.078 199.6) |
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 #156E72 | 5.99:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #156E72 | 3.50:1 | AA large text | Lc 24.5 | Dividers and decoration only |
| #156E72 text on white | 5.99:1 | AA | Lc 79.6 | Fine for body text |
| #156E72 text on black | 3.50:1 | AA large text | Lc -22.2 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CADEDE
oklch(88.6% 0.021 196.8)
-
Step 300
300
#A5C8CA
oklch(80.8% 0.037 200.7)
-
Step 400
400
#73ACAF
oklch(70.6% 0.06 200.1)
-
Step 500
500
#49989C
oklch(63.2% 0.078 199.8)
-
Step 600
600
#258286
oklch(55.6% 0.084 199.3)
-
Step 700
700 (this color)
#156E72
oklch(49.2% 0.078 199.6)
-
Step 800
800
#165A5D
oklch(42.8% 0.065 199.4)
-
Step 900
900
#1B4A4C
oklch(37.8% 0.051 199.1)
-
Step 950
950
#112B2C
oklch(26.9% 0.032 198.8)
#156E72 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) | #656972 | 0.079 |
| Deuteranopia (no green cones) | #585F72 | 0.073 |
| Tritanopia (no blue cones) | #00726F | 0.016 |
| Achromatopsia (no color) | #636363 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #156E72
#156E72
oklch(49.2% 0.078 199.6)
- #884E4F
#884E4F
oklch(49.2% 0.078 19.2)
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 #156E72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Turquoise #017374 ΔE 0.015
- Dark Aquamarine #017371 ΔE 0.017
- Dark Aqua #05696B ΔE 0.019
- Deep Aqua #08787F ΔE 0.032
- Bluegreen #017A79 ΔE 0.036
- Dark Green Blue #1F6357 ΔE 0.047
- Petrol #005F6A ΔE 0.049
- Teal #008080 ΔE 0.054
Use #156E72 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.