#375B83
Closest named color: Light Navy Blue (#2E5A88). oklch(46.3% 0.078 252.1), rgb(55, 91, 131).
Aa
White text reads best on this color (7.03:1).
About this color
#375B83 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.078 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.013 away. White text reads best on it, at 7.03:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.98:1 |
| White text | 7.03:1 |
Values
| HEX | #375B83 |
| RGB | rgb(55, 91, 131) |
| HSL | hsl(212, 41%, 36%) |
| OKLCH | oklch(46.3% 0.078 252.1) |
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 #375B83 | 7.03:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #375B83 | 2.98:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #375B83 text on white | 7.03:1 | AAA | Lc 84.2 | Fine for body text |
| #375B83 text on black | 2.98:1 | Fails | Lc -17.7 | 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 700.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D0DAE7
oklch(88.5% 0.021 254.9)
-
Step 300
300
#B0C3D9
oklch(81% 0.037 252.1)
-
Step 400
400
#86A4C6
oklch(70.8% 0.06 251.8)
-
Step 500
500
#678DB7
oklch(63.2% 0.077 251.5)
-
Step 600
600
#4E76A3
oklch(55.6% 0.084 252.2)
-
Step 700
700 (this color)
#375B83
oklch(46.3% 0.078 252.1)
-
Step 800
800
#345171
oklch(42.7% 0.064 251.8)
-
Step 900
900
#2E435C
oklch(37.7% 0.051 253.3)
-
Step 950
950
#1B2736
oklch(26.9% 0.033 254.4)
#375B83 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) | #4B5D85 | 0.026 |
| Deuteranopia (no green cones) | #415582 | 0.020 |
| Tritanopia (no blue cones) | #006469 | 0.068 |
| Achromatopsia (no color) | #595959 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375B83
#375B83
oklch(46.3% 0.078 252.1)
- #735122
#735122
oklch(46.2% 0.078 72.4)
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 #375B83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.013
- YInMn Blue #415A77 ΔE 0.021
- Denim Blue #3B5B92 ΔE 0.026
- Denim #3B638C ΔE 0.026
- Dusk #4E5481 ΔE 0.033
- Dusky Blue #475F94 ΔE 0.036
- Dusk Blue #26538D ΔE 0.037
- Dusty Grape #545775 ΔE 0.042
Use #375B83 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.