#374877
Closest named color: Light Navy (#155084). oklch(41% 0.082 267.7), rgb(55, 72, 119).
Aa
White text reads best on this color (8.91:1).
About this color
#374877 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.082 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.039 away. White text reads best on it, at 8.91:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.35:1 |
| White text | 8.91:1 |
Values
| HEX | #374877 |
| RGB | rgb(55, 72, 119) |
| HSL | hsl(224, 37%, 34%) |
| OKLCH | oklch(41% 0.082 267.7) |
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 #374877 | 8.91:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #374877 | 2.35:1 | Fails | Lc 13.7 | Not readable |
| #374877 text on white | 8.91:1 | AAA | Lc 90.3 | Preferred for body text |
| #374877 text on black | 2.35:1 | Fails | Lc -12.0 | 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
#B3C0E1
oklch(80.9% 0.049 268.3)
-
Step 400
400
#8C9FD1
oklch(70.6% 0.077 268.3)
-
Step 500
500
#6F87C5
oklch(63% 0.098 267.4)
-
Step 600
600
#5870B2
oklch(55.6% 0.107 267.7)
-
Step 700
700
#485E99
oklch(49.2% 0.099 267.3)
-
Step 800
800 (this color)
#374877
oklch(41% 0.082 267.7)
-
Step 900
900
#334064
oklch(37.7% 0.064 268.1)
-
Step 950
950
#1E263A
oklch(27.1% 0.039 267.1)
#374877 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) | #354D79 | 0.015 |
| Deuteranopia (no green cones) | #2E4776 | 0.012 |
| Tritanopia (no blue cones) | #195259 | 0.074 |
| Achromatopsia (no color) | #4A4A4A | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #374877
#374877
oklch(41% 0.082 267.7)
- #5D4704
#5D4704
oklch(41% 0.082 87.7)
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 #374877, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.039
- Dusk Blue #26538D ΔE 0.045
- Twilight Blue #0A437A ΔE 0.047
- Cobalt #1E488F ΔE 0.047
- Deep Sea Blue #015482 ΔE 0.048
- Dark Grey Blue #29465B ΔE 0.052
- Dusk #4E5481 ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.054
Use #374877 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.