#377387
Closest named color: Metallic Blue (#4F738E). oklch(52.4% 0.069 222.4), rgb(55, 115, 135).
Aa
White text reads best on this color (5.29:1).
About this color
#377387 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.069 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.028 away. White text reads best on it, at 5.29:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.96:1 |
| White text | 5.29:1 |
Values
| HEX | #377387 |
| RGB | rgb(55, 115, 135) |
| HSL | hsl(195, 42%, 37%) |
| OKLCH | oklch(52.4% 0.069 222.4) |
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 #377387 | 5.29:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #377387 | 3.96:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #377387 text on white | 5.29:1 | AA | Lc 76.2 | Fine for body text |
| #377387 text on black | 3.96:1 | AA large text | Lc -25.6 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
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
#ACC6CF
oklch(81% 0.031 220.7)
-
Step 400
400
#7FA8B7
oklch(70.7% 0.049 222.4)
-
Step 500
500
#5C92A6
oklch(63% 0.065 223.5)
-
Step 600
600 (this color)
#377387
oklch(52.4% 0.069 222.4)
-
Step 700
700
#32697B
oklch(49.1% 0.065 222)
-
Step 800
800
#2A5664
oklch(42.8% 0.054 221.1)
-
Step 900
900
#274752
oklch(37.8% 0.042 222.2)
-
Step 950
950
#172930
oklch(26.9% 0.027 224.6)
#377387 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) | #677088 | 0.056 |
| Deuteranopia (no green cones) | #5C6887 | 0.050 |
| Tritanopia (no blue cones) | #007979 | 0.042 |
| Achromatopsia (no color) | #6B6B6B | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #377387
#377387
oklch(52.4% 0.069 222.4)
- #8C5D4A
#8C5D4A
oklch(52.4% 0.069 42.8)
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 #377387, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.028
- Sea Blue #047495 ΔE 0.030
- Ocean #017B92 ΔE 0.031
- Deep Aqua #08787F ΔE 0.033
- Dull Blue #49759C ΔE 0.040
- Muted Blue #3B719F ΔE 0.042
- Cerulean #457B9D ΔE 0.042
- Ocean Blue #03719C ΔE 0.042
Use #377387 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.