#375C6A
Closest named color: YInMn Blue (#415A77). oklch(45.3% 0.048 224.1), rgb(55, 92, 106).
Aa
White text reads best on this color (7.23:1).
About this color
#375C6A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.048 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.028 away. White text reads best on it, at 7.23:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.90:1 |
| White text | 7.23:1 |
Values
| HEX | #375C6A |
| RGB | rgb(55, 92, 106) |
| HSL | hsl(196, 32%, 32%) |
| OKLCH | oklch(45.3% 0.048 224.1) |
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 #375C6A | 7.23:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #375C6A | 2.90:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #375C6A text on white | 7.23:1 | AAA | Lc 85.0 | Fine for body text |
| #375C6A text on black | 2.90:1 | Fails | Lc -17.0 | 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 800.
-
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
#CFDCE1
oklch(88.6% 0.016 222.7)
-
Step 300
300
#AEC5CE
oklch(80.9% 0.028 223.3)
-
Step 400
400
#83A7B6
oklch(70.7% 0.045 225.3)
-
Step 500
500
#6391A3
oklch(63% 0.057 224.4)
-
Step 600
600
#487B8F
oklch(55.5% 0.063 225.2)
-
Step 700
700
#396879
oklch(49.1% 0.058 223.6)
-
Step 800
800 (this color)
#375C6A
oklch(45.3% 0.048 224.1)
-
Step 900
900
#2B4650
oklch(37.7% 0.037 223.4)
-
Step 950
950
#19292F
oklch(26.9% 0.024 223.4)
#375C6A 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) | #545A6B | 0.038 |
| Deuteranopia (no green cones) | #4D546A | 0.036 |
| Tritanopia (no blue cones) | #1F6060 | 0.033 |
| Achromatopsia (no color) | #575757 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375C6A
#375C6A
oklch(45.3% 0.048 224.1)
- #6D4E40
#6D4E40
oklch(45.3% 0.048 45.3)
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 #375C6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.028
- Petrol #005F6A ΔE 0.034
- Slate #516572 ΔE 0.046
- Dark Aqua #05696B ΔE 0.047
- Dusty Grape #545775 ΔE 0.047
- Dark Green Blue #1F6357 ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.052
- Deep Teal #00555A ΔE 0.054
Use #375C6A 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.