#437C6F
Closest named color: Teal (#008080). oklch(54.3% 0.064 177.3), rgb(67, 124, 111).
Aa
White text reads best on this color (4.82:1).
About this color
#437C6F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.064 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.037 away. White text reads best on it, at 4.82:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.35:1 |
| White text | 4.82:1 |
Values
| HEX | #437C6F |
| RGB | rgb(67, 124, 111) |
| HSL | hsl(166, 30%, 37%) |
| OKLCH | oklch(54.3% 0.064 177.3) |
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 #437C6F | 4.82:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #437C6F | 4.35:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #437C6F text on white | 4.82:1 | AA | Lc 73.4 | Content text, not long reading |
| #437C6F text on black | 4.35:1 | AA large text | Lc -28.3 | 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 600.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CFDDD9
oklch(88.6% 0.016 177)
-
Step 300
300
#AEC7C0
oklch(80.9% 0.029 176.9)
-
Step 400
400
#82AAA0
oklch(70.6% 0.046 177.9)
-
Step 500
500
#629589
oklch(63% 0.058 177.9)
-
Step 600
600 (this color)
#437C6F
oklch(54.3% 0.064 177.3)
-
Step 700
700
#386C60
oklch(49.1% 0.06 176.9)
-
Step 800
800
#2F584F
oklch(42.7% 0.049 178)
-
Step 900
900
#2A4841
oklch(37.6% 0.038 177.6)
-
Step 950
950
#192A26
oklch(26.9% 0.024 178)
#437C6F 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) | #78766E | 0.067 |
| Deuteranopia (no green cones) | #6F6F70 | 0.065 |
| Tritanopia (no blue cones) | #2D7D78 | 0.020 |
| Achromatopsia (no color) | #727272 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #437C6F
#437C6F
oklch(54.3% 0.064 177.3)
- #8E6070
#8E6070
oklch(54.3% 0.064 356.9)
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 #437C6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.037
- Bluegreen #017A79 ΔE 0.038
- Deep Aqua #08787F ΔE 0.045
- Dark Aquamarine #017371 ΔE 0.050
- Deep Turquoise #017374 ΔE 0.051
- Dark Cyan #008B8B ΔE 0.054
- Dark Sage #598556 ΔE 0.057
- Battleship Gray #6C757D ΔE 0.061
Use #437C6F 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.