#437266
Closest named color: Dark Aquamarine (#017371). oklch(51.5% 0.055 175.9), rgb(67, 114, 102).
Aa
White text reads best on this color (5.47:1).
About this color
#437266 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.055 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.039 away. White text reads best on it, at 5.47:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #437266 |
| RGB | rgb(67, 114, 102) |
| HSL | hsl(165, 26%, 35%) |
| OKLCH | oklch(51.5% 0.055 175.9) |
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 #437266 | 5.47:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #437266 | 3.83:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #437266 text on white | 5.47:1 | AA | Lc 77.2 | Fine for body text |
| #437266 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
#D0DCD9
oklch(88.5% 0.014 179.4)
-
Step 300
300
#B0C7C0
oklch(81% 0.027 175.4)
-
Step 400
400
#85AA9F
oklch(70.7% 0.043 174.9)
-
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)
#437266
oklch(51.5% 0.055 175.9)
-
Step 800
800
#32574E
oklch(42.6% 0.045 176.7)
-
Step 900
900
#2D4841
oklch(37.8% 0.035 176.2)
-
Step 950
950
#1A2A26
oklch(26.9% 0.023 177.2)
#437266 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 | 0.058 |
| Deuteranopia (no green cones) | #676767 | 0.055 |
| Tritanopia (no blue cones) | #34736E | 0.017 |
| Achromatopsia (no color) | #696969 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #437266
#437266
oklch(51.5% 0.055 175.9)
- #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 #437266, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.039
- Deep Turquoise #017374 ΔE 0.040
- Bluegreen #017A79 ΔE 0.042
- Deep Aqua #08787F ΔE 0.045
- Slate #516572 ΔE 0.052
- Teal #008080 ΔE 0.053
- Dark Aqua #05696B ΔE 0.054
- Dim Gray #696969 ΔE 0.056
Use #437266 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.