#375889
Closest named color: Light Navy Blue (#2E5A88). oklch(45.9% 0.089 258.1), rgb(55, 88, 137).
Aa
White text reads best on this color (7.19:1).
About this color
#375889 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.089 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.011 away. White text reads best on it, at 7.19:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.91:1 |
| White text | 7.19:1 |
Values
| HEX | #375889 |
| RGB | rgb(55, 88, 137) |
| HSL | hsl(216, 43%, 38%) |
| OKLCH | oklch(45.9% 0.089 258.1) |
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 #375889 | 7.19:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #375889 | 2.91:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #375889 text on white | 7.19:1 | AAA | Lc 84.8 | Fine for body text |
| #375889 text on black | 2.91:1 | Fails | Lc -17.2 | 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
#CEDAED
oklch(88.5% 0.029 259.6)
-
Step 300
300
#ACC2E3
oklch(80.8% 0.053 258.4)
-
Step 400
400
#80A2D5
oklch(70.6% 0.084 258.3)
-
Step 500
500
#608ACA
oklch(63% 0.108 258.6)
-
Step 600
600
#4673B6
oklch(55.5% 0.116 258.2)
-
Step 700
700
#38619D
oklch(49.2% 0.107 257.9)
-
Step 800
800 (this color)
#375889
oklch(45.9% 0.089 258.1)
-
Step 900
900
#294266
oklch(37.7% 0.069 257.5)
-
Step 950
950
#19273C
oklch(27.1% 0.044 258.3)
#375889 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) | #445C8B | 0.021 |
| Deuteranopia (no green cones) | #395488 | 0.011 |
| Tritanopia (no blue cones) | #00636A | 0.078 |
| Achromatopsia (no color) | #575757 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375889
#375889
oklch(45.9% 0.089 258.1)
- #73500E
#73500E
oklch(45.8% 0.09 77.3)
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 #375889, 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 0.017
- Dusk Blue #26538D ΔE 0.026
- Dusk #4E5481 ΔE 0.031
- Denim #3B638C ΔE 0.033
- YInMn Blue #415A77 ΔE 0.034
- Dusky Blue #475F94 ΔE 0.034
- Twilight #4E518B ΔE 0.035
Use #375889 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.