#21867D
Closest named color: Dark Cyan (#008B8B). oklch(56.2% 0.09 186), rgb(33, 134, 125).
Aa
Black text reads best on this color (4.77:1).
About this color
#21867D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.090 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.022 away. Black text reads best on it, at 4.77:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 4.77:1 |
| White text | 4.40:1 |
Values
| HEX | #21867D |
| RGB | rgb(33, 134, 125) |
| HSL | hsl(175, 60%, 33%) |
| OKLCH | oklch(56.2% 0.09 186) |
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 #21867D | 4.40:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #21867D | 4.77:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #21867D text on white | 4.40:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #21867D text on black | 4.77:1 | AA | Lc -31.5 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CADEDB
oklch(88.5% 0.022 186)
-
Step 300
300
#A4CAC4
oklch(81% 0.041 184.7)
-
Step 400
400
#71AEA6
oklch(70.7% 0.064 185.4)
-
Step 500
500
#469A91
oklch(63.2% 0.083 185.9)
-
Step 600
600 (this color)
#21867D
oklch(56.2% 0.09 186)
-
Step 700
700
#0B7068
oklch(49.2% 0.084 186)
-
Step 800
800
#115B55
oklch(42.7% 0.069 186.7)
-
Step 900
900
#194B46
oklch(37.8% 0.054 186)
-
Step 950
950
#102C29
oklch(27% 0.034 186.1)
#21867D 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) | #7F7E7D | 0.096 |
| Deuteranopia (no green cones) | #71747E | 0.090 |
| Tritanopia (no blue cones) | #008983 | 0.012 |
| Achromatopsia (no color) | #787878 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21867D
#21867D
oklch(56.2% 0.09 186)
- #A25E6D
#A25E6D
oklch(56.3% 0.09 6.2)
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 #21867D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.022
- Teal #008080 ΔE 0.024
- Bluegreen #017A79 ΔE 0.040
- Teal Green #0A9396 ΔE 0.046
- Dusty Teal #4C9085 ΔE 0.047
- Deep Aqua #08787F ΔE 0.047
- Teal Blue #01889F ΔE 0.052
- Viridian #1E9167 ΔE 0.055
Use #21867D 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.