#215959
Closest named color: Deep Teal (#00555A). oklch(42.7% 0.058 195.2), rgb(33, 89, 89).
Aa
White text reads best on this color (7.96:1).
About this color
#215959 is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.058 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.023 away. White text reads best on it, at 7.96:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.63:1 |
| White text | 7.96:1 |
Values
| HEX | #215959 |
| RGB | rgb(33, 89, 89) |
| HSL | hsl(180, 46%, 24%) |
| OKLCH | oklch(42.7% 0.058 195.2) |
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 #215959 | 7.96:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #215959 | 2.63:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #215959 text on white | 7.96:1 | AAA | Lc 87.4 | Fine for body text |
| #215959 text on black | 2.63:1 | Fails | Lc -14.7 | 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 800.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CCDDDD
oklch(88.5% 0.018 196.8)
-
Step 300
300
#A8C8C7
oklch(80.9% 0.034 194.2)
-
Step 400
400
#78ACAB
oklch(70.8% 0.055 194.5)
-
Step 500
500
#539797
oklch(63.2% 0.069 195.5)
-
Step 600
600
#338181
oklch(55.6% 0.076 195.2)
-
Step 700
700
#256D6D
oklch(49.1% 0.07 195.1)
-
Step 800
800 (this color)
#215959
oklch(42.7% 0.058 195.2)
-
Step 900
900
#214949
oklch(37.7% 0.045 195.4)
-
Step 950
950
#142B2B
oklch(27% 0.029 195.6)
#215959 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) | #535559 | 0.060 |
| Deuteranopia (no green cones) | #4A4E59 | 0.056 |
| Tritanopia (no blue cones) | #005C59 | 0.017 |
| Achromatopsia (no color) | #515151 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #215959
#215959
oklch(42.7% 0.058 195.2)
- #6B4245
#6B4245
oklch(42.8% 0.057 15)
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 #215959, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.023
- Petrol #005F6A ΔE 0.029
- Dark Slate Gray #2F4F4F ΔE 0.032
- Dark Green Blue #1F6357 ΔE 0.034
- Dark Blue Green #005249 ΔE 0.039
- Dark Teal #014D4E ΔE 0.047
- Dark Aqua #05696B ΔE 0.050
- Charcoal #264653 ΔE 0.060
Use #215959 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.