#375876
Closest named color: YInMn Blue (#415A77). oklch(44.8% 0.063 247.1), rgb(55, 88, 118).
Aa
White text reads best on this color (7.44:1).
About this color
#375876 is a dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.063 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.014 away. White text reads best on it, at 7.44:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.81:1 |
| White text | 7.44:1 |
Values
| HEX | #375876 |
| RGB | rgb(55, 88, 118) |
| HSL | hsl(209, 36%, 34%) |
| OKLCH | oklch(44.8% 0.063 247.1) |
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 #375876 | 7.44:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #375876 | 2.81:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #375876 text on white | 7.44:1 | AAA | Lc 85.8 | Fine for body text |
| #375876 text on black | 2.81:1 | Fails | Lc -16.3 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CFDBE6
oklch(88.6% 0.02 245.7)
-
Step 300
300
#AEC3D8
oklch(80.8% 0.038 248.3)
-
Step 400
400
#83A5C4
oklch(70.8% 0.059 246.3)
-
Step 500
500
#648EB5
oklch(63.1% 0.075 247.3)
-
Step 600
600
#4A78A1
oklch(55.7% 0.082 246.8)
-
Step 700
700
#3B648A
oklch(49% 0.077 247.9)
-
Step 800
800 (this color)
#375876
oklch(44.8% 0.063 247.1)
-
Step 900
900
#2C445A
oklch(37.7% 0.048 247.1)
-
Step 950
950
#1A2835
oklch(27% 0.031 247.2)
#375876 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) | #4C5977 | 0.028 |
| Deuteranopia (no green cones) | #435275 | 0.022 |
| Tritanopia (no blue cones) | #165F62 | 0.054 |
| Achromatopsia (no color) | #555555 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375876
#375876
oklch(44.8% 0.063 247.1)
- #6C4E2D
#6C4E2D
oklch(44.8% 0.063 67.7)
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 #375876, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.014
- Light Navy Blue #2E5A88 ΔE 0.029
- Dusty Grape #545775 ΔE 0.039
- Dusk #4E5481 ΔE 0.039
- Denim #3B638C ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.046
- Dusk Blue #26538D ΔE 0.047
Use #375876 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.