#21826F
Closest named color: Teal (#008080). oklch(54.7% 0.092 176.4), rgb(33, 130, 111).
Aa
White text reads best on this color (4.67:1).
About this color
#21826F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.092 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.030 away. White text reads best on it, at 4.67:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.48:1 |
| White text | 4.67:1 |
Values
| HEX | #21826F |
| RGB | rgb(33, 130, 111) |
| HSL | hsl(168, 60%, 32%) |
| OKLCH | oklch(54.7% 0.092 176.4) |
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 #21826F | 4.67:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #21826F | 4.48:1 | AA large text | Lc 31.9 | Non-text elements, placeholder text |
| #21826F text on white | 4.67:1 | AA | Lc 72.2 | Content text, not long reading |
| #21826F text on black | 4.48:1 | AA large text | Lc -29.5 | 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 600.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#CADED8
oklch(88.4% 0.023 175.9)
-
Step 300
300
#A5CAC0
oklch(80.9% 0.042 177)
-
Step 400
400
#73AF9F
oklch(70.8% 0.067 175.7)
-
Step 500
500
#4A9A88
oklch(63% 0.084 176.7)
-
Step 600
600 (this color)
#21826F
oklch(54.7% 0.092 176.4)
-
Step 700
700
#15705F
oklch(49% 0.085 176.4)
-
Step 800
800
#165B4E
oklch(42.6% 0.07 177.3)
-
Step 900
900
#1B4B41
oklch(37.7% 0.055 177.2)
-
Step 950
950
#112C26
oklch(27% 0.035 177.1)
#21826F 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) | #7D7A6E | 0.096 |
| Deuteranopia (no green cones) | #707070 | 0.092 |
| Tritanopia (no blue cones) | #00847C | 0.019 |
| Achromatopsia (no color) | #747474 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21826F
#21826F
oklch(54.7% 0.092 176.4)
- #9B5972
#9B5972
oklch(54.7% 0.092 356.4)
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 #21826F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.030
- Bluegreen #017A79 ΔE 0.036
- Dark Cyan #008B8B ΔE 0.043
- Deep Aqua #08787F ΔE 0.047
- Dark Aquamarine #017371 ΔE 0.052
- Sea Green #2E8B57 ΔE 0.052
- Viridian #1E9167 ΔE 0.052
- Deep Turquoise #017374 ΔE 0.053
Use #21826F 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.