#437B7E
Closest named color: Teal (#008080). oklch(54.6% 0.059 200.1), rgb(67, 123, 126).
Aa
White text reads best on this color (4.80:1).
About this color
#437B7E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 55%, its chroma 0.059 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.034 away. White text reads best on it, at 4.80:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.37:1 |
| White text | 4.80:1 |
Values
| HEX | #437B7E |
| RGB | rgb(67, 123, 126) |
| HSL | hsl(183, 31%, 38%) |
| OKLCH | oklch(54.6% 0.059 200.1) |
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 #437B7E | 4.80:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #437B7E | 4.37:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #437B7E text on white | 4.80:1 | AA | Lc 73.2 | Content text, not long reading |
| #437B7E text on black | 4.37:1 | AA large text | Lc -28.5 | 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 600.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CEDCDD
oklch(88.4% 0.015 202)
-
Step 300
300
#AEC6C7
oklch(80.9% 0.026 199.7)
-
Step 400
400
#82A9AB
oklch(70.7% 0.042 200.2)
-
Step 500
500
#619496
oklch(63.1% 0.055 199)
-
Step 600
600 (this color)
#437B7E
oklch(54.6% 0.059 200.1)
-
Step 700
700
#376A6D
oklch(49% 0.055 200.5)
-
Step 800
800
#2E5759
oklch(42.8% 0.046 199.7)
-
Step 900
900
#2A4749
oklch(37.6% 0.035 201.4)
-
Step 950
950
#192A2B
oklch(27.1% 0.023 200.6)
#437B7E 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) | #74777E | 0.061 |
| Deuteranopia (no green cones) | #6A6F7E | 0.056 |
| Tritanopia (no blue cones) | #247F7C | 0.026 |
| Achromatopsia (no color) | #727272 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #437B7E
#437B7E
oklch(54.6% 0.059 200.1)
- #906362
#906362
oklch(54.7% 0.059 20.6)
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 #437B7E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.034
- Deep Aqua #08787F ΔE 0.037
- Bluegreen #017A79 ΔE 0.038
- Metallic Blue #4F738E ΔE 0.042
- Ocean #017B92 ΔE 0.043
- Grey Blue #647D8E ΔE 0.048
- Cerulean #457B9D ΔE 0.050
- Battleship Grey #6B7C85 ΔE 0.050
Use #437B7E 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.