#374894
Closest named color: Blueberry (#464196). oklch(43% 0.126 270.8), rgb(55, 72, 148).
Aa
White text reads best on this color (8.34:1).
About this color
#374894 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.126 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.026 away. White text reads best on it, at 8.34:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.51:1 |
| White text | 8.34:1 |
Values
| HEX | #374894 |
| RGB | rgb(55, 72, 148) |
| HSL | hsl(229, 46%, 40%) |
| OKLCH | oklch(43% 0.126 270.8) |
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 #374894 | 8.34:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #374894 | 2.51:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #374894 text on white | 8.34:1 | AAA | Lc 88.5 | Fine for body text |
| #374894 text on black | 2.51:1 | Fails | Lc -13.7 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4E9F9
oklch(93.5% 0.022 272.1)
-
Step 200
200
#CFD8F5
oklch(88.4% 0.041 271.9)
-
Step 300
300
#AFBFF1
oklch(81% 0.073 270.9)
-
Step 400
400
#859CEA
oklch(70.7% 0.117 270.7)
-
Step 500
500
#6881E4
oklch(63.1% 0.151 270.9)
-
Step 600
600
#5168D2
oklch(55.5% 0.165 270.9)
-
Step 700
700
#4256B6
oklch(49.1% 0.153 270.9)
-
Step 800
800 (this color)
#374894
oklch(43% 0.126 270.8)
-
Step 900
900
#2F3C75
oklch(37.6% 0.098 271.3)
-
Step 950
950
#1B2445
oklch(27.1% 0.063 270.3)
#374894 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) | #1F5297 | 0.033 |
| Deuteranopia (no green cones) | #084A92 | 0.038 |
| Tritanopia (no blue cones) | #005967 | 0.107 |
| Achromatopsia (no color) | #4E4E4E | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #374894
#374894
oklch(43% 0.126 270.8)
- #624D00
#624D00
oklch(43% 0.088 90.6)
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 #374894, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.026
- Cobalt #1E488F ΔE 0.028
- Dark Slate Blue #483D8B ΔE 0.037
- Dusk Blue #26538D ΔE 0.037
- Twilight #4E518B ΔE 0.047
- Light Navy #155084 ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.056
- Light Navy Blue #2E5A88 ΔE 0.058
Use #374894 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.