#374875
Closest named color: Light Navy (#155084). oklch(40.9% 0.079 267.2), rgb(55, 72, 117).
Aa
White text reads best on this color (8.95:1).
About this color
#374875 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.079 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.040 away. White text reads best on it, at 8.95:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.34:1 |
| White text | 8.95:1 |
Values
| HEX | #374875 |
| RGB | rgb(55, 72, 117) |
| HSL | hsl(224, 36%, 34%) |
| OKLCH | oklch(40.9% 0.079 267.2) |
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 #374875 | 8.95:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #374875 | 2.34:1 | Fails | Lc 13.5 | Not readable |
| #374875 text on white | 8.95:1 | AAA | Lc 90.4 | Preferred for body text |
| #374875 text on black | 2.34:1 | Fails | Lc -11.9 | Not readable |
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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D1D9EB
oklch(88.5% 0.026 266.6)
-
Step 300
300
#B3C0DF
oklch(80.8% 0.046 267.4)
-
Step 400
400
#8CA0CF
oklch(70.8% 0.073 266.6)
-
Step 500
500
#7087C3
oklch(63% 0.095 267.6)
-
Step 600
600
#5870AF
oklch(55.4% 0.102 267.2)
-
Step 700
700
#485E97
oklch(49.1% 0.096 266.9)
-
Step 800
800 (this color)
#374875
oklch(40.9% 0.079 267.2)
-
Step 900
900
#334062
oklch(37.6% 0.061 267.5)
-
Step 950
950
#1E263A
oklch(27.1% 0.039 267.1)
#374875 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) | #374C77 | 0.012 |
| Deuteranopia (no green cones) | #304774 | 0.010 |
| Tritanopia (no blue cones) | #1B5259 | 0.071 |
| Achromatopsia (no color) | #494949 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #374875
#374875
oklch(40.9% 0.079 267.2)
- #5C4709
#5C4709
oklch(40.9% 0.079 87.9)
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 #374875, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.040
- Dusk Blue #26538D ΔE 0.047
- Twilight Blue #0A437A ΔE 0.047
- Deep Sea Blue #015482 ΔE 0.049
- Dark Grey Blue #29465B ΔE 0.049
- Cobalt #1E488F ΔE 0.050
- Dusk #4E5481 ΔE 0.053
- Light Navy Blue #2E5A88 ΔE 0.056
Use #374875 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.