#226D63
Closest named color: Dark Aqua (#05696B). oklch(48.6% 0.074 182.6), rgb(34, 109, 99).
Aa
White text reads best on this color (6.11:1).
About this color
#226D63 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 49%, its chroma 0.074 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.024 away. White text reads best on it, at 6.11:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.43:1 |
| White text | 6.11:1 |
Values
| HEX | #226D63 |
| RGB | rgb(34, 109, 99) |
| HSL | hsl(172, 52%, 28%) |
| OKLCH | oklch(48.6% 0.074 182.6) |
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 #226D63 | 6.11:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #226D63 | 3.43:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #226D63 text on white | 6.11:1 | AA | Lc 80.2 | Fine for body text |
| #226D63 text on black | 3.43:1 | AA large text | Lc -21.6 | Dividers and decoration only |
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 700.
-
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
#A8C9C2
oklch(81% 0.037 181.1)
-
Step 400
400
#78ADA4
oklch(70.8% 0.057 182.9)
-
Step 500
500
#52988D
oklch(63.1% 0.073 182.6)
-
Step 600
600
#328377
oklch(55.7% 0.081 181.9)
-
Step 700
700 (this color)
#226D63
oklch(48.6% 0.074 182.6)
-
Step 800
800
#205A52
oklch(42.7% 0.061 182.8)
-
Step 900
900
#214A44
oklch(37.8% 0.047 183)
-
Step 950
950
#142B28
oklch(26.9% 0.03 184.8)
#226D63 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) | #686763 | 0.079 |
| Deuteranopia (no green cones) | #5D5F64 | 0.074 |
| Tritanopia (no blue cones) | #006F6A | 0.014 |
| Achromatopsia (no color) | #626262 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #226D63
#226D63
oklch(48.6% 0.074 182.6)
- #824D5C
#824D5C
oklch(48.6% 0.074 1.9)
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 #226D63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.024
- Dark Aquamarine #017371 ΔE 0.024
- Deep Turquoise #017374 ΔE 0.028
- Dark Green Blue #1F6357 ΔE 0.033
- Bluegreen #017A79 ΔE 0.044
- Deep Aqua #08787F ΔE 0.047
- Petrol #005F6A ΔE 0.054
- Slate #516572 ΔE 0.062
Use #226D63 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.