#427266
Closest named color: Dark Aquamarine (#017371). oklch(51.4% 0.056 176.1), rgb(66, 114, 102).
Aa
White text reads best on this color (5.48:1).
About this color
#427266 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.056 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.038 away. White text reads best on it, at 5.48:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.83:1 |
| White text | 5.48:1 |
Values
| HEX | #427266 |
| RGB | rgb(66, 114, 102) |
| HSL | hsl(165, 27%, 35%) |
| OKLCH | oklch(51.4% 0.056 176.1) |
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 #427266 | 5.48:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #427266 | 3.83:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #427266 text on white | 5.48:1 | AA | Lc 77.3 | Fine for body text |
| #427266 text on black | 3.83:1 | AA large text | Lc -24.5 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE9
oklch(93.7% 0.008 168.7)
-
Step 200
200
#CFDDD9
oklch(88.6% 0.016 177)
-
Step 300
300
#AFC7C0
oklch(81% 0.028 176.2)
-
Step 400
400
#84AAA0
oklch(70.7% 0.044 177.1)
-
Step 500
500
#659588
oklch(63.2% 0.056 175.6)
-
Step 600
600
#4B7F72
oklch(55.6% 0.06 176.2)
-
Step 700
700 (this color)
#427266
oklch(51.4% 0.056 176.1)
-
Step 800
800
#32574E
oklch(42.6% 0.045 176.7)
-
Step 900
900
#2C4841
oklch(37.7% 0.036 176.7)
-
Step 950
950
#1A2A26
oklch(26.9% 0.023 177.2)
#427266 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) | #6F6D65 | 0.059 |
| Deuteranopia (no green cones) | #676767 | 0.056 |
| Tritanopia (no blue cones) | #32736E | 0.017 |
| Achromatopsia (no color) | #696969 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427266
#427266
oklch(51.4% 0.056 176.1)
- #825A68
#825A68
oklch(51.5% 0.056 356.5)
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 #427266, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.038
- Deep Turquoise #017374 ΔE 0.039
- Bluegreen #017A79 ΔE 0.041
- Deep Aqua #08787F ΔE 0.045
- Teal #008080 ΔE 0.052
- Slate #516572 ΔE 0.053
- Dark Aqua #05696B ΔE 0.053
- Dim Gray #696969 ΔE 0.057
Use #427266 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.