#4347A0
Closest named color: Blueberry (#464196). oklch(44.5% 0.142 277), rgb(67, 71, 160).
Aa
White text reads best on this color (7.93:1).
About this color
#4347A0 is a dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.142 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.021 away. White text reads best on it, at 7.93:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.64:1 |
| White text | 7.93:1 |
Values
| HEX | #4347A0 |
| RGB | rgb(67, 71, 160) |
| HSL | hsl(237, 41%, 45%) |
| OKLCH | oklch(44.5% 0.142 277) |
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 #4347A0 | 7.93:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #4347A0 | 2.64:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #4347A0 text on white | 7.93:1 | AAA | Lc 87.2 | Fine for body text |
| #4347A0 text on black | 2.64:1 | Fails | Lc -14.9 | 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
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D1D7F8
oklch(88.5% 0.046 277.3)
-
Step 300
300
#B3BCF6
oklch(80.9% 0.083 277.5)
-
Step 400
400
#8C98F2
oklch(70.8% 0.132 276.7)
-
Step 500
500
#727BED
oklch(63.1% 0.169 277)
-
Step 600
600
#5C61DC
oklch(55.6% 0.184 276.8)
-
Step 700
700
#4D4FBF
oklch(49.1% 0.172 277.2)
-
Step 800
800 (this color)
#4347A0
oklch(44.5% 0.142 277)
-
Step 900
900
#34397B
oklch(37.8% 0.11 276.5)
-
Step 950
950
#1F2248
oklch(27.1% 0.07 277.3)
#4347A0 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) | #0955A3 | 0.056 |
| Deuteranopia (no green cones) | #004D9E | 0.055 |
| Tritanopia (no blue cones) | #095C6C | 0.125 |
| Achromatopsia (no color) | #515151 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4347A0
#4347A0
oklch(44.5% 0.142 277)
- #625300
#625300
oklch(44.4% 0.092 97)
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 #4347A0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.021
- Dark Slate Blue #483D8B ΔE 0.041
- Twilight #4E518B ΔE 0.050
- Cobalt #1E488F ΔE 0.052
- Dusk Blue #26538D ΔE 0.057
- Denim Blue #3B5B92 ΔE 0.062
- Sapphire #2138AB ΔE 0.063
- Blue With A Hint Of Purple #533CC6 ΔE 0.069
Use #4347A0 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.