#375B98
Closest named color: Denim Blue (#3B5B92). oklch(47.5% 0.107 260.3), rgb(55, 91, 152).
Aa
White text reads best on this color (6.74:1).
About this color
#375B98 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.107 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.010 away. White text reads best on it, at 6.74:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.11:1 |
| White text | 6.74:1 |
Values
| HEX | #375B98 |
| RGB | rgb(55, 91, 152) |
| HSL | hsl(218, 47%, 41%) |
| OKLCH | oklch(47.5% 0.107 260.3) |
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 #375B98 | 6.74:1 | AA | Lc -88.1 | Fine for body text |
| Black text on #375B98 | 3.11:1 | AA large text | Lc 21.0 | Dividers and decoration only |
| #375B98 text on white | 6.74:1 | AA | Lc 83.0 | Fine for body text |
| #375B98 text on black | 3.11:1 | AA large text | Lc -18.9 | 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
#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
#AEC2E3
oklch(81% 0.052 260.4)
-
Step 400
400
#83A2D5
oklch(70.8% 0.083 260.2)
-
Step 500
500
#638ACA
oklch(63.2% 0.106 260)
-
Step 600
600
#4A72B6
oklch(55.5% 0.116 260.4)
-
Step 700
700 (this color)
#375B98
oklch(47.5% 0.107 260.3)
-
Step 800
800
#314E7F
oklch(42.6% 0.089 260.3)
-
Step 900
900
#2B4166
oklch(37.6% 0.07 260.3)
-
Step 950
950
#1A263C
oklch(26.9% 0.045 261.9)
#375B98 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) | #40609A | 0.019 |
| Deuteranopia (no green cones) | #325797 | 0.013 |
| Tritanopia (no blue cones) | #006972 | 0.090 |
| Achromatopsia (no color) | #5B5B5B | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375B98
#375B98
oklch(47.5% 0.107 260.3)
- #795500
#795500
oklch(47.6% 0.098 80.2)
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 #375B98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.010
- Dusky Blue #475F94 ΔE 0.025
- Light Navy Blue #2E5A88 ΔE 0.029
- Dusk Blue #26538D ΔE 0.035
- Denim #3B638C ΔE 0.035
- Twilight #4E518B ΔE 0.040
- Peacock Blue #016795 ΔE 0.044
- Dusk #4E5481 ΔE 0.045
Use #375B98 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.