#437F79
Closest named color: Teal (#008080). oklch(55.4% 0.064 187.1), rgb(67, 127, 121).
Aa
White text reads best on this color (4.61:1).
About this color
#437F79 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 55%, its chroma 0.064 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.033 away. White text reads best on it, at 4.61:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.55:1 |
| White text | 4.61:1 |
Values
| HEX | #437F79 |
| RGB | rgb(67, 127, 121) |
| HSL | hsl(174, 31%, 38%) |
| OKLCH | oklch(55.4% 0.064 187.1) |
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 #437F79 | 4.61:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #437F79 | 4.55:1 | AA | Lc 32.2 | Non-text elements, placeholder text |
| #437F79 text on white | 4.61:1 | AA | Lc 71.9 | Content text, not long reading |
| #437F79 text on black | 4.55:1 | AA | Lc -29.8 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CEDDDB
oklch(88.6% 0.016 187.3)
-
Step 300
300
#ADC7C4
oklch(80.9% 0.028 188.2)
-
Step 400
400
#80AAA5
oklch(70.6% 0.046 187.1)
-
Step 500
500
#5F958F
oklch(63% 0.058 186.9)
-
Step 600
600 (this color)
#437F79
oklch(55.4% 0.064 187.1)
-
Step 700
700
#356C66
oklch(49.2% 0.059 186.2)
-
Step 800
800
#2C5853
oklch(42.7% 0.05 186)
-
Step 900
900
#294845
oklch(37.7% 0.037 187.9)
-
Step 950
950
#182A28
oklch(26.9% 0.024 187)
#437F79 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) | #797979 | 0.067 |
| Deuteranopia (no green cones) | #6F727A | 0.063 |
| Tritanopia (no blue cones) | #27817D | 0.020 |
| Achromatopsia (no color) | #757575 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #437F79
#437F79
oklch(55.4% 0.064 187.1)
- #93636C
#93636C
oklch(55.3% 0.063 7)
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 #437F79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.033
- Bluegreen #017A79 ΔE 0.040
- Dark Cyan #008B8B ΔE 0.043
- Deep Aqua #08787F ΔE 0.044
- Dusty Teal #4C9085 ΔE 0.052
- Battleship Grey #6B7C85 ΔE 0.053
- Grey Blue #647D8E ΔE 0.054
- Ocean #017B92 ΔE 0.054
Use #437F79 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.