#374697
Closest named color: Blueberry (#464196). oklch(42.8% 0.133 271.7), rgb(55, 70, 151).
Aa
White text reads best on this color (8.44:1).
About this color
#374697 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.133 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.023 away. White text reads best on it, at 8.44:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.48:1 |
| White text | 8.44:1 |
Values
| HEX | #374697 |
| RGB | rgb(55, 70, 151) |
| HSL | hsl(231, 47%, 40%) |
| OKLCH | oklch(42.8% 0.133 271.7) |
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 #374697 | 8.44:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #374697 | 2.48:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #374697 text on white | 8.44:1 | AAA | Lc 88.8 | Fine for body text |
| #374697 text on black | 2.48:1 | Fails | Lc -13.4 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9F9
oklch(93.5% 0.022 272.1)
-
Step 200
200
#CFD8F7
oklch(88.5% 0.044 272.7)
-
Step 300
300
#AEBEF4
oklch(80.8% 0.079 271.7)
-
Step 400
400
#859BEE
oklch(70.7% 0.124 271.6)
-
Step 500
500
#6880E9
oklch(63.2% 0.159 271.5)
-
Step 600
600
#5266D7
oklch(55.6% 0.174 272)
-
Step 700
700
#4354BA
oklch(49% 0.161 272)
-
Step 800
800 (this color)
#374697
oklch(42.8% 0.133 271.7)
-
Step 900
900
#2F3B78
oklch(37.6% 0.104 272.1)
-
Step 950
950
#1B2346
oklch(26.9% 0.066 271.6)
#374697 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) | #14519A | 0.038 |
| Deuteranopia (no green cones) | #004995 | 0.041 |
| Tritanopia (no blue cones) | #005967 | 0.114 |
| Achromatopsia (no color) | #4D4D4D | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #374697
#374697
oklch(42.8% 0.133 271.7)
- #614D00
#614D00
oklch(42.9% 0.088 91.6)
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 #374697, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.023
- Cobalt #1E488F ΔE 0.030
- Dark Slate Blue #483D8B ΔE 0.036
- Dusk Blue #26538D ΔE 0.044
- Twilight #4E518B ΔE 0.053
- Light Navy #155084 ΔE 0.054
- Sapphire #2138AB ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.062
Use #374697 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.