#375772
Closest named color: YInMn Blue (#415A77). oklch(44.4% 0.058 245.1), rgb(55, 87, 114).
Aa
White text reads best on this color (7.58:1).
About this color
#375772 is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.058 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.018 away. White text reads best on it, at 7.58:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.76:1 |
| White text | 7.58:1 |
Values
| HEX | #375772 |
| RGB | rgb(55, 87, 114) |
| HSL | hsl(207, 35%, 33%) |
| OKLCH | oklch(44.4% 0.058 245.1) |
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 #375772 | 7.58:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #375772 | 2.76:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #375772 text on white | 7.58:1 | AAA | Lc 86.3 | Fine for body text |
| #375772 text on black | 2.76:1 | Fails | Lc -15.8 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBF0
oklch(93.7% 0.009 242.8)
-
Step 200
200
#CFDBE5
oklch(88.5% 0.019 243)
-
Step 300
300
#AFC3D6
oklch(80.8% 0.035 246.9)
-
Step 400
400
#85A5C1
oklch(70.8% 0.054 245.1)
-
Step 500
500
#658EB1
oklch(63% 0.07 245)
-
Step 600
600
#4C789D
oklch(55.6% 0.076 245.1)
-
Step 700
700
#3D6586
oklch(49.2% 0.07 244.8)
-
Step 800
800 (this color)
#375772
oklch(44.4% 0.058 245.1)
-
Step 900
900
#2D4458
oklch(37.7% 0.045 245.6)
-
Step 950
950
#1A2834
oklch(27% 0.03 245.1)
#375772 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) | #4C5773 | 0.028 |
| Deuteranopia (no green cones) | #445171 | 0.023 |
| Tritanopia (no blue cones) | #1A5D60 | 0.049 |
| Achromatopsia (no color) | #545454 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375772
#375772
oklch(44.4% 0.058 245.1)
- #6A4D30
#6A4D30
oklch(44.4% 0.058 65.4)
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 #375772, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.018
- Light Navy Blue #2E5A88 ΔE 0.036
- Dusty Grape #545775 ΔE 0.040
- Dusk #4E5481 ΔE 0.043
- Petrol #005F6A ΔE 0.046
- Deep Sea Blue #015482 ΔE 0.047
- Denim #3B638C ΔE 0.050
- Light Navy #155084 ΔE 0.051
Use #375772 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.