#375D89
Closest named color: Light Navy Blue (#2E5A88). oklch(47.1% 0.084 253.1), rgb(55, 93, 137).
Aa
White text reads best on this color (6.79:1).
About this color
#375D89 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.084 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.014 away. White text reads best on it, at 6.79:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 3.08:1 |
| White text | 6.79:1 |
Values
| HEX | #375D89 |
| RGB | rgb(55, 93, 137) |
| HSL | hsl(212, 43%, 38%) |
| OKLCH | oklch(47.1% 0.084 253.1) |
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 #375D89 | 6.79:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #375D89 | 3.08:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #375D89 text on white | 6.79:1 | AA | Lc 83.3 | Fine for body text |
| #375D89 text on black | 3.08:1 | AA large text | Lc -18.6 | 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
#E4EAF2
oklch(93.5% 0.013 255.5)
-
Step 200
200
#CFDAE8
oklch(88.4% 0.023 254.4)
-
Step 300
300
#AFC3DB
oklch(81% 0.04 253.1)
-
Step 400
400
#84A3C9
oklch(70.6% 0.066 253.8)
-
Step 500
500
#658CBB
oklch(63% 0.084 253.6)
-
Step 600
600
#4C76A7
oklch(55.7% 0.09 253.1)
-
Step 700
700 (this color)
#375D89
oklch(47.1% 0.084 253.1)
-
Step 800
800
#325174
oklch(42.7% 0.069 252.4)
-
Step 900
900
#2C435E
oklch(37.7% 0.055 253.1)
-
Step 950
950
#1A2737
oklch(26.9% 0.035 254.1)
#375D89 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) | #4B5F8B | 0.026 |
| Deuteranopia (no green cones) | #405788 | 0.019 |
| Tritanopia (no blue cones) | #00676D | 0.071 |
| Achromatopsia (no color) | #5B5B5B | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375D89
#375D89
oklch(47.1% 0.084 253.1)
- #77531D
#77531D
oklch(47.1% 0.084 73.8)
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 #375D89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.014
- Denim Blue #3B5B92 ΔE 0.018
- Denim #3B638C ΔE 0.019
- Dusky Blue #475F94 ΔE 0.027
- YInMn Blue #415A77 ΔE 0.030
- Dusk #4E5481 ΔE 0.036
- Dusk Blue #26538D ΔE 0.038
- Peacock Blue #016795 ΔE 0.039
Use #375D89 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.