#23987D
Closest named color: Ocean Green (#3D9973). oklch(61% 0.108 173), rgb(35, 152, 125).
Aa
Black text reads best on this color (5.85:1).
About this color
#23987D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.108 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.020 away. Black text reads best on it, at 5.85:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 5.85:1 |
| White text | 3.58:1 |
Values
| HEX | #23987D |
| RGB | rgb(35, 152, 125) |
| HSL | hsl(166, 63%, 37%) |
| OKLCH | oklch(61% 0.108 173) |
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 #23987D | 3.58:1 | AA large text | Lc -68.5 | Content text, not long reading |
| Black text on #23987D | 5.85:1 | AA | Lc 41.0 | Non-text elements, placeholder text |
| #23987D text on white | 3.58:1 | AA large text | Lc 63.0 | Content text, not long reading |
| #23987D text on black | 5.85:1 | AA | Lc -38.7 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E0EDE9
oklch(93.5% 0.015 175.7)
-
Step 200
200
#C6E0D7
oklch(88.5% 0.03 172.8)
-
Step 300
300
#9ECCBD
oklch(80.8% 0.053 173)
-
Step 400
400
#64B29B
oklch(70.7% 0.085 172.7)
-
Step 500
500 (this color)
#23987D
oklch(61% 0.108 173)
-
Step 600
600
#00876D
oklch(55.6% 0.107 172.9)
-
Step 700
700
#00725B
oklch(49.2% 0.095 172.3)
-
Step 800
800
#005D4B
oklch(42.7% 0.081 173.5)
-
Step 900
900
#044D3E
oklch(37.6% 0.07 173.6)
-
Step 950
950
#092D24
oklch(26.9% 0.044 173)
#23987D 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) | #938E7C | 0.112 |
| Deuteranopia (no green cones) | #84837F | 0.107 |
| Tritanopia (no blue cones) | #009A90 | 0.027 |
| Achromatopsia (no color) | #878787 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23987D
#23987D
oklch(61% 0.108 173)
- #B56789
#B56789
oklch(61.2% 0.108 353.2)
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 #23987D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.020
- Blue Green #0F9B8E ΔE 0.024
- Persian Green #2A9D8F ΔE 0.028
- Viridian #1E9167 ΔE 0.034
- Sea #3C9992 ΔE 0.037
- Dusty Teal #4C9085 ΔE 0.039
- Teal Green #0A9396 ΔE 0.045
- Grey Teal #5E9B8A ΔE 0.051
Use #23987D 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.