#375A84
Closest named color: Light Navy Blue (#2E5A88). oklch(46.1% 0.08 253.8), rgb(55, 90, 132).
Aa
White text reads best on this color (7.09:1).
About this color
#375A84 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.080 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.011 away. White text reads best on it, at 7.09:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.95:1 |
| White text | 7.09:1 |
Values
| HEX | #375A84 |
| RGB | rgb(55, 90, 132) |
| HSL | hsl(213, 41%, 37%) |
| OKLCH | oklch(46.1% 0.08 253.8) |
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 #375A84 | 7.09:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #375A84 | 2.95:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #375A84 text on white | 7.09:1 | AAA | Lc 84.5 | Fine for body text |
| #375A84 text on black | 2.95:1 | Fails | Lc -17.5 | 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
#B0C3DA
oklch(81% 0.039 253.3)
-
Step 400
400
#86A3C7
oklch(70.7% 0.062 254.1)
-
Step 500
500
#688CB9
oklch(63.1% 0.079 254.4)
-
Step 600
600
#4F76A5
oklch(55.7% 0.086 253.8)
-
Step 700
700 (this color)
#375A84
oklch(46.1% 0.08 253.8)
-
Step 800
800
#345173
oklch(42.8% 0.067 253.2)
-
Step 900
900
#2E435D
oklch(37.7% 0.052 254.2)
-
Step 950
950
#1B2736
oklch(26.9% 0.033 254.4)
#375A84 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) | #495C86 | 0.024 |
| Deuteranopia (no green cones) | #3F5583 | 0.016 |
| Tritanopia (no blue cones) | #006469 | 0.071 |
| Achromatopsia (no color) | #585858 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375A84
#375A84
oklch(46.1% 0.08 253.8)
- #73511E
#73511E
oklch(46.2% 0.08 74.1)
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 #375A84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.011
- Denim Blue #3B5B92 ΔE 0.024
- YInMn Blue #415A77 ΔE 0.024
- Denim #3B638C ΔE 0.029
- Dusk #4E5481 ΔE 0.032
- Dusk Blue #26538D ΔE 0.034
- Dusky Blue #475F94 ΔE 0.036
- Twilight #4E518B ΔE 0.041
Use #375A84 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.