#377689
Closest named color: Ocean (#017B92). oklch(53.2% 0.071 220.3), rgb(55, 118, 137).
Aa
White text reads best on this color (5.10:1).
About this color
#377689 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.071 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.026 away. White text reads best on it, at 5.10:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.11:1 |
| White text | 5.10:1 |
Values
| HEX | #377689 |
| RGB | rgb(55, 118, 137) |
| HSL | hsl(194, 43%, 38%) |
| OKLCH | oklch(53.2% 0.071 220.3) |
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 #377689 | 5.10:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #377689 | 4.11:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #377689 text on white | 5.10:1 | AA | Lc 75.0 | Fine for body text |
| #377689 text on black | 4.11:1 | AA large text | Lc -26.7 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CDDCE1
oklch(88.5% 0.018 219.7)
-
Step 300
300
#ABC6CF
oklch(80.9% 0.032 219.9)
-
Step 400
400
#7DA9B7
oklch(70.8% 0.051 219.5)
-
Step 500
500
#5B93A5
oklch(63.1% 0.065 220.4)
-
Step 600
600 (this color)
#377689
oklch(53.2% 0.071 220.3)
-
Step 700
700
#30697B
oklch(49% 0.066 221.4)
-
Step 800
800
#295664
oklch(42.7% 0.054 220.7)
-
Step 900
900
#264751
oklch(37.7% 0.042 219.5)
-
Step 950
950
#172A30
oklch(27.1% 0.027 220)
#377689 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) | #6A738A | 0.059 |
| Deuteranopia (no green cones) | #5E6A89 | 0.053 |
| Tritanopia (no blue cones) | #007C7C | 0.041 |
| Achromatopsia (no color) | #6E6E6E | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #377689
#377689
oklch(53.2% 0.071 220.3)
- #905E4D
#905E4D
oklch(53.2% 0.071 39.5)
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 #377689, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.026
- Metallic Blue #4F738E ΔE 0.027
- Deep Aqua #08787F ΔE 0.032
- Sea Blue #047495 ΔE 0.032
- Cerulean #457B9D ΔE 0.036
- Dull Blue #49759C ΔE 0.038
- Bluegreen #017A79 ΔE 0.042
- Stormy Blue #507B9C ΔE 0.042
Use #377689 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.