#375888
Closest named color: Light Navy Blue (#2E5A88). oklch(45.8% 0.088 257.7), rgb(55, 88, 136).
Aa
White text reads best on this color (7.20:1).
About this color
#375888 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.088 and its hue 258°. 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 7.20:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.91:1 |
| White text | 7.20:1 |
Values
| HEX | #375888 |
| RGB | rgb(55, 88, 136) |
| HSL | hsl(216, 42%, 37%) |
| OKLCH | oklch(45.8% 0.088 257.7) |
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 #375888 | 7.20:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #375888 | 2.91:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #375888 text on white | 7.20:1 | AAA | Lc 84.9 | Fine for body text |
| #375888 text on black | 2.91:1 | Fails | Lc -17.1 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CEDAEC
oklch(88.5% 0.028 258.4)
-
Step 300
300
#ACC2E2
oklch(80.8% 0.051 257.7)
-
Step 400
400
#80A2D4
oklch(70.6% 0.083 257.9)
-
Step 500
500
#608BC9
oklch(63.2% 0.105 257.5)
-
Step 600
600
#4674B5
oklch(55.6% 0.114 257.2)
-
Step 700
700
#38619C
oklch(49.2% 0.106 257.6)
-
Step 800
800 (this color)
#375888
oklch(45.8% 0.088 257.7)
-
Step 900
900
#2A4266
oklch(37.7% 0.069 258.3)
-
Step 950
950
#19273B
oklch(27% 0.042 257.3)
#375888 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) | #445B8A | 0.019 |
| Deuteranopia (no green cones) | #3A5487 | 0.012 |
| Tritanopia (no blue cones) | #006369 | 0.078 |
| Achromatopsia (no color) | #575757 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375888
#375888
oklch(45.8% 0.088 257.7)
- #725011
#725011
oklch(45.7% 0.088 77.5)
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 #375888, 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 0.018
- Dusk Blue #26538D ΔE 0.026
- Dusk #4E5481 ΔE 0.031
- YInMn Blue #415A77 ΔE 0.032
- Denim #3B638C ΔE 0.033
- Dusky Blue #475F94 ΔE 0.034
- Twilight #4E518B ΔE 0.035
Use #375888 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.