#377A69
Closest named color: Bluegreen (#017A79). oklch(53.1% 0.074 174.4), rgb(55, 122, 105).
Aa
White text reads best on this color (5.05:1).
About this color
#377A69 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.074 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.032 away. White text reads best on it, at 5.05:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.15:1 |
| White text | 5.05:1 |
Values
| HEX | #377A69 |
| RGB | rgb(55, 122, 105) |
| HSL | hsl(165, 38%, 35%) |
| OKLCH | oklch(53.1% 0.074 174.4) |
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 #377A69 | 5.05:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #377A69 | 4.15:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #377A69 text on white | 5.05:1 | AA | Lc 74.8 | Content text, not long reading |
| #377A69 text on black | 4.15:1 | AA large text | Lc -26.9 | 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
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CDDDD8
oklch(88.4% 0.018 175.3)
-
Step 300
300
#ABC8BF
oklch(80.9% 0.034 174.7)
-
Step 400
400
#7EAC9E
oklch(70.7% 0.053 173.9)
-
Step 500
500
#5B9787
oklch(63.1% 0.068 175.1)
-
Step 600
600 (this color)
#377A69
oklch(53.1% 0.074 174.4)
-
Step 700
700
#306D5E
oklch(49% 0.068 174.9)
-
Step 800
800
#29594D
oklch(42.6% 0.056 175)
-
Step 900
900
#264940
oklch(37.6% 0.044 175.3)
-
Step 950
950
#172B25
oklch(27% 0.028 173)
#377A69 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) | #767368 | 0.077 |
| Deuteranopia (no green cones) | #6C6B6A | 0.074 |
| Tritanopia (no blue cones) | #167B75 | 0.024 |
| Achromatopsia (no color) | #6F6F6F | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #377A69
#377A69
oklch(53.1% 0.074 174.4)
- #8E5A6F
#8E5A6F
oklch(53.1% 0.074 354.1)
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 #377A69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.032
- Teal #008080 ΔE 0.037
- Dark Aquamarine #017371 ΔE 0.040
- Deep Aqua #08787F ΔE 0.042
- Deep Turquoise #017374 ΔE 0.042
- Dark Cyan #008B8B ΔE 0.060
- Dark Sage #598556 ΔE 0.061
- Ocean #017B92 ΔE 0.065
Use #377A69 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.