#374898
Closest named color: Blueberry (#464196). oklch(43.3% 0.132 270.9), rgb(55, 72, 152).
Aa
White text reads best on this color (8.25:1).
About this color
#374898 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.132 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 8.25:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.54:1 |
| White text | 8.25:1 |
Values
| HEX | #374898 |
| RGB | rgb(55, 72, 152) |
| HSL | hsl(229, 47%, 41%) |
| OKLCH | oklch(43.3% 0.132 270.9) |
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 #374898 | 8.25:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #374898 | 2.54:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #374898 text on white | 8.25:1 | AAA | Lc 88.2 | Fine for body text |
| #374898 text on black | 2.54:1 | Fails | Lc -13.9 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9F9
oklch(93.5% 0.022 272.1)
-
Step 200
200
#CED8F6
oklch(88.4% 0.043 270.9)
-
Step 300
300
#AEBFF3
oklch(81% 0.076 270.6)
-
Step 400
400
#849BEE
oklch(70.6% 0.125 271.2)
-
Step 500
500
#6780E8
oklch(63% 0.158 271.1)
-
Step 600
600
#5067D6
oklch(55.6% 0.172 271)
-
Step 700
700
#4155B9
oklch(49% 0.159 270.9)
-
Step 800
800 (this color)
#374898
oklch(43.3% 0.132 270.9)
-
Step 900
900
#2E3C77
oklch(37.7% 0.102 270.8)
-
Step 950
950
#1B2346
oklch(26.9% 0.066 271.6)
#374898 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) | #19539B | 0.036 |
| Deuteranopia (no green cones) | #004A96 | 0.040 |
| Tritanopia (no blue cones) | #005B69 | 0.112 |
| Achromatopsia (no color) | #4E4E4E | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #374898
#374898
oklch(43.3% 0.132 270.9)
- #634E00
#634E00
oklch(43.3% 0.089 90.9)
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 #374898, 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 0.031
- Dark Slate Blue #483D8B ΔE 0.039
- Dusk Blue #26538D ΔE 0.040
- Twilight #4E518B ΔE 0.050
- Light Navy #155084 ΔE 0.052
- Denim Blue #3B5B92 ΔE 0.057
- Sapphire #2138AB ΔE 0.059
Use #374898 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.