#437371
Closest named color: Deep Aqua (#08787F). oklch(52.1% 0.052 192.2), rgb(67, 115, 113).
Aa
White text reads best on this color (5.34:1).
About this color
#437371 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.052 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.037 away. White text reads best on it, at 5.34:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.92:1 |
| White text | 5.34:1 |
Values
| HEX | #437371 |
| RGB | rgb(67, 115, 113) |
| HSL | hsl(178, 26%, 36%) |
| OKLCH | oklch(52.1% 0.052 192.2) |
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 #437371 | 5.34:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #437371 | 3.92:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #437371 text on white | 5.34:1 | AA | Lc 76.5 | Fine for body text |
| #437371 text on black | 3.92:1 | AA large text | Lc -25.2 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#CFDCDB
oklch(88.4% 0.014 191.4)
-
Step 300
300
#AFC6C5
oklch(80.9% 0.025 193.5)
-
Step 400
400
#84A9A7
oklch(70.7% 0.04 192.2)
-
Step 500
500
#649492
oklch(63.2% 0.052 192.6)
-
Step 600
600
#4A7E7C
oklch(55.6% 0.056 192.5)
-
Step 700
700 (this color)
#437371
oklch(52.1% 0.052 192.2)
-
Step 800
800
#315755
oklch(42.8% 0.044 191.3)
-
Step 900
900
#2C4746
oklch(37.6% 0.033 192.9)
-
Step 950
950
#1A2A29
oklch(27% 0.022 191)
#437371 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) | #6E6F71 | 0.056 |
| Deuteranopia (no green cones) | #656871 | 0.052 |
| Tritanopia (no blue cones) | #2E7672 | 0.019 |
| Achromatopsia (no color) | #6B6B6B | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #437371
#437371
oklch(52.1% 0.052 192.2)
- #855D61
#855D61
oklch(52.2% 0.053 12.4)
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 #437371, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.037
- Bluegreen #017A79 ΔE 0.037
- Deep Turquoise #017374 ΔE 0.038
- Dark Aquamarine #017371 ΔE 0.038
- Slate #516572 ΔE 0.045
- Teal #008080 ΔE 0.046
- Metallic Blue #4F738E ΔE 0.050
- Dim Gray #696969 ΔE 0.052
Use #437371 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.