#375C88
Closest named color: Light Navy Blue (#2E5A88). oklch(46.8% 0.084 253.7), rgb(55, 92, 136).
Aa
White text reads best on this color (6.88:1).
About this color
#375C88 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.084 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.012 away. White text reads best on it, at 6.88:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 3.04:1 |
| White text | 6.88:1 |
Values
| HEX | #375C88 |
| RGB | rgb(55, 92, 136) |
| HSL | hsl(213, 42%, 37%) |
| OKLCH | oklch(46.8% 0.084 253.7) |
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 #375C88 | 6.88:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #375C88 | 3.04:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #375C88 text on white | 6.88:1 | AA | Lc 83.7 | Fine for body text |
| #375C88 text on black | 3.04:1 | AA large text | Lc -18.3 | 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 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
#CFDAE8
oklch(88.4% 0.023 254.4)
-
Step 300
300
#AFC3DB
oklch(81% 0.04 253.1)
-
Step 400
400
#85A3C9
oklch(70.7% 0.065 254.6)
-
Step 500
500
#668CBB
oklch(63.1% 0.083 254.2)
-
Step 600
600
#4D76A7
oklch(55.7% 0.089 253.6)
-
Step 700
700 (this color)
#375C88
oklch(46.8% 0.084 253.7)
-
Step 800
800
#335174
oklch(42.8% 0.069 253.1)
-
Step 900
900
#2D435E
oklch(37.7% 0.054 254.1)
-
Step 950
950
#1B2737
oklch(26.9% 0.034 255.8)
#375C88 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) | #4A5E8A | 0.025 |
| Deuteranopia (no green cones) | #3F5787 | 0.016 |
| Tritanopia (no blue cones) | #00666C | 0.071 |
| Achromatopsia (no color) | #5A5A5A | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375C88
#375C88
oklch(46.8% 0.084 253.7)
- #76521C
#76521C
oklch(46.7% 0.084 73.6)
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 #375C88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.012
- Denim Blue #3B5B92 ΔE 0.018
- Denim #3B638C ΔE 0.022
- YInMn Blue #415A77 ΔE 0.028
- Dusky Blue #475F94 ΔE 0.029
- Dusk #4E5481 ΔE 0.034
- Dusk Blue #26538D ΔE 0.036
- Peacock Blue #016795 ΔE 0.041
Use #375C88 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.