#375981
Closest named color: Light Navy Blue (#2E5A88). oklch(45.7% 0.077 253.4), rgb(55, 89, 129).
Aa
White text reads best on this color (7.22:1).
About this color
#375981 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.077 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 7.22:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.90:1 |
| White text | 7.22:1 |
Values
| HEX | #375981 |
| RGB | rgb(55, 89, 129) |
| HSL | hsl(212, 40%, 36%) |
| OKLCH | oklch(45.7% 0.077 253.4) |
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 #375981 | 7.22:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #375981 | 2.90:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #375981 text on white | 7.22:1 | AAA | Lc 84.9 | Fine for body text |
| #375981 text on black | 2.90:1 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF3
oklch(93.7% 0.013 251.6)
-
Step 200
200
#CEDAEA
oklch(88.4% 0.026 255.6)
-
Step 300
300
#ADC3DE
oklch(80.9% 0.045 253.6)
-
Step 400
400
#81A4CD
oklch(70.8% 0.072 252.8)
-
Step 500
500
#618CC0
oklch(63% 0.092 253.8)
-
Step 600
600
#4776AC
oklch(55.7% 0.099 253)
-
Step 700
700
#386394
oklch(49.2% 0.093 252.9)
-
Step 800
800 (this color)
#375981
oklch(45.7% 0.077 253.4)
-
Step 900
900
#2A4361
oklch(37.7% 0.06 253.7)
-
Step 950
950
#192739
oklch(26.9% 0.039 255.1)
#375981 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) | #495B83 | 0.024 |
| Deuteranopia (no green cones) | #3F5480 | 0.016 |
| Tritanopia (no blue cones) | #036267 | 0.068 |
| Achromatopsia (no color) | #575757 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375981
#375981
oklch(45.7% 0.077 253.4)
- #715021
#715021
oklch(45.7% 0.077 73.2)
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 #375981, 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
- YInMn Blue #415A77 ΔE 0.021
- Denim Blue #3B5B92 ΔE 0.028
- Dusk #4E5481 ΔE 0.032
- Denim #3B638C ΔE 0.033
- Dusk Blue #26538D ΔE 0.035
- Dusky Blue #475F94 ΔE 0.040
- Dusty Grape #545775 ΔE 0.041
Use #375981 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.