#374872
Closest named color: Light Navy (#155084). oklch(40.7% 0.074 266.4), rgb(55, 72, 114).
Aa
White text reads best on this color (9.00:1).
About this color
#374872 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.074 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.042 away. White text reads best on it, at 9.00:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.33:1 |
| White text | 9.00:1 |
Values
| HEX | #374872 |
| RGB | rgb(55, 72, 114) |
| HSL | hsl(223, 35%, 33%) |
| OKLCH | oklch(40.7% 0.074 266.4) |
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 #374872 | 9.00:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #374872 | 2.33:1 | Fails | Lc 13.4 | Not readable |
| #374872 text on white | 9.00:1 | AAA | Lc 90.6 | Preferred for body text |
| #374872 text on black | 2.33:1 | Fails | Lc -11.7 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D2D9EA
oklch(88.5% 0.025 267.9)
-
Step 300
300
#B4C1DE
oklch(81% 0.043 266.3)
-
Step 400
400
#8DA0CD
oklch(70.7% 0.07 266.8)
-
Step 500
500
#7188C0
oklch(63.1% 0.089 266.8)
-
Step 600
600
#5971AC
oklch(55.6% 0.097 266.5)
-
Step 700
700
#495F94
oklch(49.2% 0.089 266.1)
-
Step 800
800 (this color)
#374872
oklch(40.7% 0.074 266.4)
-
Step 900
900
#334161
oklch(37.8% 0.058 265.6)
-
Step 950
950
#1E2639
oklch(27% 0.037 266.4)
#374872 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) | #384C74 | 0.012 |
| Deuteranopia (no green cones) | #324771 | 0.008 |
| Tritanopia (no blue cones) | #1E5157 | 0.067 |
| Achromatopsia (no color) | #494949 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #374872
#374872
oklch(40.7% 0.074 266.4)
- #5B4611
#5B4611
oklch(40.6% 0.074 86)
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 #374872, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.042
- Dark Grey Blue #29465B ΔE 0.045
- Twilight Blue #0A437A ΔE 0.048
- Deep Sea Blue #015482 ΔE 0.050
- Dusk Blue #26538D ΔE 0.050
- Cobalt #1E488F ΔE 0.054
- Dusk #4E5481 ΔE 0.055
- YInMn Blue #415A77 ΔE 0.057
Use #374872 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.