#21463B
Closest named color: Dark Teal (#014D4E). oklch(36.3% 0.047 172), rgb(33, 70, 59).
Aa
White text reads best on this color (10.47:1).
About this color
#21463B is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.047 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.034 away. White text reads best on it, at 10.47:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.00:1 |
| White text | 10.47:1 |
Values
| HEX | #21463B |
| RGB | rgb(33, 70, 59) |
| HSL | hsl(162, 36%, 20%) |
| OKLCH | oklch(36.3% 0.047 172) |
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 #21463B | 10.47:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #21463B | 2.00:1 | Fails | Lc 9.7 | Not readable |
| #21463B text on white | 10.47:1 | AAA | Lc 94.2 | Preferred for body text |
| #21463B text on black | 2.00:1 | Fails | Lc -8.4 | 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
#CDDED7
oklch(88.6% 0.021 169.3)
-
Step 300
300
#ABC8BE
oklch(80.8% 0.034 172.6)
-
Step 400
400
#7CAC9D
oklch(70.6% 0.056 173.3)
-
Step 500
500
#599884
oklch(63.1% 0.072 171.5)
-
Step 600
600
#3C826E
oklch(55.5% 0.078 172.2)
-
Step 700
700
#2D6E5C
oklch(49.1% 0.073 172.3)
-
Step 800
800
#275A4B
oklch(42.8% 0.061 171.6)
-
Step 900
900 (this color)
#21463B
oklch(36.3% 0.047 172)
-
Step 950
950
#162B25
oklch(26.9% 0.03 173.8)
#21463B 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) | #44423A | 0.048 |
| Deuteranopia (no green cones) | #3E3E3C | 0.046 |
| Tritanopia (no blue cones) | #134743 | 0.015 |
| Achromatopsia (no color) | #3F3F3F | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21463B
#21463B
oklch(36.3% 0.047 172)
- #513340
#513340
oklch(36.1% 0.047 352.1)
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 #21463B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.034
- Evergreen #05472A ΔE 0.038
- Dark Blue Green #005249 ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.043
- Charcoal #264653 ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.045
- Onyx #343A40 ΔE 0.049
- Pine Green #0A481E ΔE 0.053
Use #21463B 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.