#23818D
Closest named color: Teal (#008080). oklch(55.6% 0.085 207.6), rgb(35, 129, 141).
Aa
Black text reads best on this color (4.59:1).
About this color
#23818D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.085 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.025 away. Black text reads best on it, at 4.59:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.59:1 |
| White text | 4.56:1 |
Values
| HEX | #23818D |
| RGB | rgb(35, 129, 141) |
| HSL | hsl(187, 60%, 35%) |
| OKLCH | oklch(55.6% 0.085 207.6) |
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 #23818D | 4.56:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #23818D | 4.59:1 | AA | Lc 32.7 | Non-text elements, placeholder text |
| #23818D text on white | 4.56:1 | AA | Lc 71.4 | Content text, not long reading |
| #23818D text on black | 4.59:1 | AA | Lc -30.3 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE0
oklch(88.4% 0.021 208.1)
-
Step 300
300
#A5C8CD
oklch(80.9% 0.038 207)
-
Step 400
400
#72ACB4
oklch(70.7% 0.061 206.8)
-
Step 500
500
#4897A2
oklch(63.1% 0.079 207.5)
-
Step 600
600 (this color)
#23818D
oklch(55.6% 0.085 207.6)
-
Step 700
700
#136D78
oklch(49.1% 0.079 207.8)
-
Step 800
800
#155962
oklch(42.8% 0.066 208.1)
-
Step 900
900
#1A4950
oklch(37.7% 0.052 208.7)
-
Step 950
950
#112B2F
oklch(27% 0.033 208.6)
#23818D 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) | #757C8E | 0.082 |
| Deuteranopia (no green cones) | #67718D | 0.076 |
| Tritanopia (no blue cones) | #008785 | 0.027 |
| Achromatopsia (no color) | #767676 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23818D
#23818D
oklch(55.6% 0.085 207.6)
- #9F5F57
#9F5F57
oklch(55.5% 0.085 27.8)
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 #23818D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.025
- Ocean #017B92 ΔE 0.026
- Teal Blue #01889F ΔE 0.030
- Dark Cyan #008B8B ΔE 0.032
- Deep Aqua #08787F ΔE 0.035
- Bluegreen #017A79 ΔE 0.038
- Cerulean #457B9D ΔE 0.044
- Sea Blue #047495 ΔE 0.048
Use #23818D 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.