#215A53
Closest named color: Dark Green Blue (#1F6357). oklch(42.8% 0.06 184.2), rgb(33, 90, 83).
Aa
White text reads best on this color (7.91:1).
About this color
#215A53 is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.060 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.028 away. White text reads best on it, at 7.91:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.65:1 |
| White text | 7.91:1 |
Values
| HEX | #215A53 |
| RGB | rgb(33, 90, 83) |
| HSL | hsl(173, 46%, 24%) |
| OKLCH | oklch(42.8% 0.06 184.2) |
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 #215A53 | 7.91:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #215A53 | 2.65:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #215A53 text on white | 7.91:1 | AAA | Lc 87.3 | Fine for body text |
| #215A53 text on black | 2.65:1 | Fails | Lc -14.9 | 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
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CCDEDA
oklch(88.6% 0.02 181.1)
-
Step 300
300
#A8C8C3
oklch(80.8% 0.035 185)
-
Step 400
400
#78ACA5
oklch(70.6% 0.056 185.6)
-
Step 500
500
#53988E
oklch(63.1% 0.072 183.6)
-
Step 600
600
#338279
oklch(55.5% 0.078 184.9)
-
Step 700
700
#256E65
oklch(49.1% 0.073 183.7)
-
Step 800
800 (this color)
#215A53
oklch(42.8% 0.06 184.2)
-
Step 900
900
#214A44
oklch(37.8% 0.047 183)
-
Step 950
950
#142B28
oklch(26.9% 0.03 184.8)
#215A53 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) | #565553 | 0.065 |
| Deuteranopia (no green cones) | #4D4E54 | 0.062 |
| Tritanopia (no blue cones) | #005C58 | 0.015 |
| Achromatopsia (no color) | #515151 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #215A53
#215A53
oklch(42.8% 0.06 184.2)
- #6B414B
#6B414B
oklch(42.8% 0.06 4.5)
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 #215A53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.028
- Deep Teal #00555A ΔE 0.029
- Dark Slate Gray #2F4F4F ΔE 0.035
- Dark Blue Green #005249 ΔE 0.036
- Petrol #005F6A ΔE 0.037
- Dark Teal #014D4E ΔE 0.049
- Dark Aqua #05696B ΔE 0.051
- Pine #2B5D34 ΔE 0.052
Use #215A53 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.