#21493D
Closest named color: Dark Teal (#014D4E). oklch(37.2% 0.05 171.6), rgb(33, 73, 61).
Aa
White text reads best on this color (10.07:1).
About this color
#21493D is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.050 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.030 away. White text reads best on it, at 10.07:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.08:1 |
| White text | 10.07:1 |
Values
| HEX | #21493D |
| RGB | rgb(33, 73, 61) |
| HSL | hsl(162, 38%, 21%) |
| OKLCH | oklch(37.2% 0.05 171.6) |
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 #21493D | 10.07:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #21493D | 2.08:1 | Fails | Lc 10.7 | Not readable |
| #21493D text on white | 10.07:1 | AAA | Lc 93.2 | Preferred for body text |
| #21493D text on black | 2.08:1 | Fails | Lc -9.2 | Not readable |
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 900.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CCDED7
oklch(88.5% 0.021 170.6)
-
Step 300
300
#A9C9BE
oklch(80.9% 0.038 172.5)
-
Step 400
400
#7AAD9C
oklch(70.7% 0.06 171.8)
-
Step 500
500
#559984
oklch(63.2% 0.077 171.7)
-
Step 600
600
#36836D
oklch(55.5% 0.084 171.6)
-
Step 700
700
#286F5B
oklch(49.1% 0.078 171.3)
-
Step 800
800
#235A4B
oklch(42.6% 0.064 172.5)
-
Step 900
900 (this color)
#21493D
oklch(37.2% 0.05 171.6)
-
Step 950
950
#152C24
oklch(27.1% 0.033 169.4)
#21493D 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) | #47453C | 0.052 |
| Deuteranopia (no green cones) | #41403E | 0.050 |
| Tritanopia (no blue cones) | #114A45 | 0.016 |
| Achromatopsia (no color) | #424242 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21493D
#21493D
oklch(37.2% 0.05 171.6)
- #553543
#553543
oklch(37.2% 0.05 352)
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 #21493D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.030
- Dark Blue Green #005249 ΔE 0.031
- Dark Slate Gray #2F4F4F ΔE 0.038
- Evergreen #05472A ΔE 0.039
- Charcoal #264653 ΔE 0.044
- Charcoal Grey #3C4142 ΔE 0.045
- Deep Teal #00555A ΔE 0.052
- Pine Green #0A481E ΔE 0.053
Use #21493D 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.