#23866B
Closest named color: Viridian (#1E9167). oklch(55.7% 0.099 170.3), rgb(35, 134, 107).
Aa
Black text reads best on this color (4.69:1).
About this color
#23866B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.099 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.036 away. Black text reads best on it, at 4.69:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Viridian (#1E9167) |
| Black text | 4.69:1 |
| White text | 4.47:1 |
Values
| HEX | #23866B |
| RGB | rgb(35, 134, 107) |
| HSL | hsl(164, 59%, 33%) |
| OKLCH | oklch(55.7% 0.099 170.3) |
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 #23866B | 4.47:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #23866B | 4.69:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #23866B text on white | 4.47:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #23866B text on black | 4.69:1 | AA | Lc -31.0 | 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 600.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CADFD7
oklch(88.6% 0.025 170.9)
-
Step 300
300
#A5CABC
oklch(80.8% 0.044 170.2)
-
Step 400
400
#72AF9A
oklch(70.6% 0.071 170.5)
-
Step 500
500
#489B81
oklch(63% 0.091 170.3)
-
Step 600
600 (this color)
#23866B
oklch(55.7% 0.099 170.3)
-
Step 700
700
#127159
oklch(49.1% 0.091 170.4)
-
Step 800
800
#155C49
oklch(42.7% 0.075 170.7)
-
Step 900
900
#1A4C3D
oklch(37.8% 0.06 170.2)
-
Step 950
950
#112C24
oklch(26.9% 0.037 171.8)
#23866B 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) | #827D6A | 0.101 |
| Deuteranopia (no green cones) | #75736D | 0.097 |
| Tritanopia (no blue cones) | #00877E | 0.028 |
| Achromatopsia (no color) | #777777 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23866B
#23866B
oklch(55.7% 0.099 170.3)
- #9F5A7B
#9F5A7B
oklch(55.7% 0.099 350.7)
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 #23866B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.036
- Sea Green #2E8B57 ΔE 0.037
- Teal #008080 ΔE 0.043
- Dark Cyan #008B8B ΔE 0.046
- Dark Sage #598556 ΔE 0.048
- Bluegreen #017A79 ΔE 0.051
- Dusty Teal #4C9085 ΔE 0.058
- Jungle Green #048243 ΔE 0.058
Use #23866B 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.