#43479C
Closest named color: Blueberry (#464196). oklch(44.2% 0.136 277.3), rgb(67, 71, 156).
Aa
White text reads best on this color (8.01:1).
About this color
#43479C is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.136 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.017 away. White text reads best on it, at 8.01:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.62:1 |
| White text | 8.01:1 |
Values
| HEX | #43479C |
| RGB | rgb(67, 71, 156) |
| HSL | hsl(237, 40%, 44%) |
| OKLCH | oklch(44.2% 0.136 277.3) |
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 #43479C | 8.01:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #43479C | 2.62:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #43479C text on white | 8.01:1 | AAA | Lc 87.5 | Fine for body text |
| #43479C text on black | 2.62:1 | Fails | Lc -14.6 | 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
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D1D7F7
oklch(88.5% 0.044 277.1)
-
Step 300
300
#B3BCF4
oklch(80.8% 0.08 277.4)
-
Step 400
400
#8D98EF
oklch(70.7% 0.127 277.1)
-
Step 500
500
#737CE9
oklch(63.1% 0.162 277.1)
-
Step 600
600
#5D62D7
oklch(55.5% 0.176 277.2)
-
Step 700
700
#4D50BB
oklch(49% 0.165 277.2)
-
Step 800
800 (this color)
#43479C
oklch(44.2% 0.136 277.3)
-
Step 900
900
#353978
oklch(37.6% 0.106 277.3)
-
Step 950
950
#1F2246
oklch(27% 0.066 277.4)
#43479C 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) | #14549F | 0.052 |
| Deuteranopia (no green cones) | #004D9A | 0.055 |
| Tritanopia (no blue cones) | #125A6A | 0.118 |
| Achromatopsia (no color) | #505050 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43479C
#43479C
oklch(44.2% 0.136 277.3)
- #615300
#615300
oklch(44.3% 0.091 97.9)
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 #43479C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.017
- Dark Slate Blue #483D8B ΔE 0.036
- Twilight #4E518B ΔE 0.046
- Cobalt #1E488F ΔE 0.049
- Dusk Blue #26538D ΔE 0.053
- Denim Blue #3B5B92 ΔE 0.060
- Dusk #4E5481 ΔE 0.065
- Sapphire #2138AB ΔE 0.065
Use #43479C 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.