#21493F
Closest named color: Dark Teal (#014D4E). oklch(37.3% 0.049 175.1), rgb(33, 73, 63).
Aa
White text reads best on this color (10.05:1).
About this color
#21493F is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.049 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.027 away. White text reads best on it, at 10.05:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.08:1 |
| White text | 10.05:1 |
Values
| HEX | #21493F |
| RGB | rgb(33, 73, 63) |
| HSL | hsl(165, 38%, 21%) |
| OKLCH | oklch(37.3% 0.049 175.1) |
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 #21493F | 10.05:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #21493F | 2.08:1 | Fails | Lc 10.7 | Not readable |
| #21493F text on white | 10.05:1 | AAA | Lc 93.2 | Preferred for body text |
| #21493F text on black | 2.08:1 | Fails | Lc -9.3 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CCDED8
oklch(88.5% 0.021 173.9)
-
Step 300
300
#A9C9BF
oklch(80.9% 0.037 174.5)
-
Step 400
400
#7AAD9E
oklch(70.7% 0.058 174.3)
-
Step 500
500
#559887
oklch(63% 0.074 175.5)
-
Step 600
600
#368371
oklch(55.7% 0.081 175.4)
-
Step 700
700
#276F5E
oklch(49.2% 0.076 174.5)
-
Step 800
800
#235A4D
oklch(42.7% 0.062 175.2)
-
Step 900
900 (this color)
#21493F
oklch(37.3% 0.049 175.1)
-
Step 950
950
#152B26
oklch(26.9% 0.03 177.6)
#21493F 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) | #47453F | 0.052 |
| Deuteranopia (no green cones) | #404040 | 0.049 |
| Tritanopia (no blue cones) | #104A46 | 0.015 |
| Achromatopsia (no color) | #424242 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21493F
#21493F
oklch(37.3% 0.049 175.1)
- #553642
#553642
oklch(37.4% 0.048 354.8)
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 #21493F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.027
- Dark Blue Green #005249 ΔE 0.031
- Dark Slate Gray #2F4F4F ΔE 0.036
- Charcoal #264653 ΔE 0.040
- Evergreen #05472A ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.043
- Deep Teal #00555A ΔE 0.050
- Onyx #343A40 ΔE 0.054
Use #21493F 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.