#4347A3
Closest named color: Blueberry (#464196). oklch(44.7% 0.146 276.9), rgb(67, 71, 163).
Aa
White text reads best on this color (7.86:1).
About this color
#4347A3 is a dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.146 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.025 away. White text reads best on it, at 7.86:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.66:1 |
| White text | 7.86:1 |
Values
| HEX | #4347A3 |
| RGB | rgb(67, 71, 163) |
| HSL | hsl(238, 42%, 45%) |
| OKLCH | oklch(44.7% 0.146 276.9) |
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 #4347A3 | 7.86:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #4347A3 | 2.66:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #4347A3 text on white | 7.86:1 | AAA | Lc 87.0 | Fine for body text |
| #4347A3 text on black | 2.66:1 | Fails | Lc -15.1 | Dividers and decoration only |
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
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D1D7F9
oklch(88.5% 0.047 277.5)
-
Step 300
300
#B2BCF8
oklch(80.9% 0.086 277)
-
Step 400
400
#8B97F4
oklch(70.6% 0.136 276.7)
-
Step 500
500
#717AF0
oklch(63% 0.174 276.9)
-
Step 600
600
#5C60DF
oklch(55.7% 0.189 276.9)
-
Step 700
700
#4C4EC1
oklch(49% 0.176 277)
-
Step 800
800 (this color)
#4347A3
oklch(44.7% 0.146 276.9)
-
Step 900
900
#34387C
oklch(37.6% 0.113 276.9)
-
Step 950
950
#1E2149
oklch(26.9% 0.073 277.1)
#4347A3 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) | #0056A6 | 0.058 |
| Deuteranopia (no green cones) | #004EA1 | 0.055 |
| Tritanopia (no blue cones) | #015D6E | 0.128 |
| Achromatopsia (no color) | #525252 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4347A3
#4347A3
oklch(44.7% 0.146 276.9)
- #635400
#635400
oklch(44.7% 0.092 97.2)
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 #4347A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.025
- Dark Slate Blue #483D8B ΔE 0.045
- Twilight #4E518B ΔE 0.054
- Cobalt #1E488F ΔE 0.055
- Dusk Blue #26538D ΔE 0.060
- Sapphire #2138AB ΔE 0.062
- Blue With A Hint Of Purple #533CC6 ΔE 0.064
- Denim Blue #3B5B92 ΔE 0.065
Use #4347A3 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.