#377C80
Closest named color: Teal (#008080). oklch(54.4% 0.069 200.5), rgb(55, 124, 128).
Aa
White text reads best on this color (4.81:1).
About this color
#377C80 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.069 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.025 away. White text reads best on it, at 4.81:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.35:1 |
| White text | 4.81:1 |
Values
| HEX | #377C80 |
| RGB | rgb(55, 124, 128) |
| HSL | hsl(183, 40%, 36%) |
| OKLCH | oklch(54.4% 0.069 200.5) |
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 #377C80 | 4.81:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #377C80 | 4.35:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #377C80 text on white | 4.81:1 | AA | Lc 73.2 | Content text, not long reading |
| #377C80 text on black | 4.35:1 | AA large text | Lc -28.4 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CDDDDE
oklch(88.6% 0.017 201.4)
-
Step 300
300
#AAC7C9
oklch(80.9% 0.031 201.7)
-
Step 400
400
#7CAAAD
oklch(70.6% 0.049 201.2)
-
Step 500
500
#589599
oklch(63% 0.064 201.1)
-
Step 600
600 (this color)
#377C80
oklch(54.4% 0.069 200.5)
-
Step 700
700
#2C6C6F
oklch(49.1% 0.065 199.5)
-
Step 800
800
#26585B
oklch(42.8% 0.054 200.6)
-
Step 900
900
#24484A
oklch(37.6% 0.042 200.2)
-
Step 950
950
#162A2C
oklch(26.9% 0.026 203.9)
#377C80 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) | #747780 | 0.071 |
| Deuteranopia (no green cones) | #686E80 | 0.066 |
| Tritanopia (no blue cones) | #00807D | 0.027 |
| Achromatopsia (no color) | #727272 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #377C80
#377C80
oklch(54.4% 0.069 200.5)
- #945F5F
#945F5F
oklch(54.3% 0.07 19.6)
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 #377C80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.025
- Deep Aqua #08787F ΔE 0.028
- Bluegreen #017A79 ΔE 0.030
- Ocean #017B92 ΔE 0.036
- Deep Turquoise #017374 ΔE 0.044
- Dark Cyan #008B8B ΔE 0.044
- Dark Aquamarine #017371 ΔE 0.046
- Metallic Blue #4F738E ΔE 0.046
Use #377C80 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.