#375A85
Closest named color: Light Navy Blue (#2E5A88). oklch(46.1% 0.081 254.3), rgb(55, 90, 133).
Aa
White text reads best on this color (7.08:1).
About this color
#375A85 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.081 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.010 away. White text reads best on it, at 7.08:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #375A85 |
| RGB | rgb(55, 90, 133) |
| HSL | hsl(213, 41%, 37%) |
| OKLCH | oklch(46.1% 0.081 254.3) |
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 #375A85 | 7.08:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #375A85 | 2.96:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #375A85 text on white | 7.08:1 | AAA | Lc 84.4 | Fine for body text |
| #375A85 text on black | 2.96:1 | Fails | Lc -17.6 | 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
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#D0DAE8
oklch(88.5% 0.022 256.7)
-
Step 300
300
#B0C2DA
oklch(80.8% 0.039 255.6)
-
Step 400
400
#86A3C8
oklch(70.7% 0.063 254.7)
-
Step 500
500
#678CBA
oklch(63.1% 0.081 254.3)
-
Step 600
600
#4E75A6
oklch(55.5% 0.089 254.7)
-
Step 700
700 (this color)
#375A85
oklch(46.1% 0.081 254.3)
-
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
#1B2737
oklch(26.9% 0.034 255.8)
#375A85 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) | #485C87 | 0.023 |
| Deuteranopia (no green cones) | #3E5584 | 0.016 |
| Tritanopia (no blue cones) | #006469 | 0.072 |
| Achromatopsia (no color) | #585858 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375A85
#375A85
oklch(46.1% 0.081 254.3)
- #73511D
#73511D
oklch(46.1% 0.081 74.5)
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 #375A85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.010
- Denim Blue #3B5B92 ΔE 0.022
- YInMn Blue #415A77 ΔE 0.025
- Denim #3B638C ΔE 0.028
- Dusk #4E5481 ΔE 0.032
- Dusk Blue #26538D ΔE 0.033
- Dusky Blue #475F94 ΔE 0.035
- Twilight #4E518B ΔE 0.040
Use #375A85 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.