#4247AF
Closest named color: Blueberry (#464196). oklch(45.6% 0.163 275.8), rgb(66, 71, 175).
Aa
White text reads best on this color (7.63:1).
About this color
#4247AF is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.163 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.042 away. White text reads best on it, at 7.63:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.75:1 |
| White text | 7.63:1 |
Values
| HEX | #4247AF |
| RGB | rgb(66, 71, 175) |
| HSL | hsl(237, 45%, 47%) |
| OKLCH | oklch(45.6% 0.163 275.8) |
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 #4247AF | 7.63:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #4247AF | 2.75:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #4247AF text on white | 7.63:1 | AAA | Lc 86.1 | Fine for body text |
| #4247AF text on black | 2.75:1 | Fails | Lc -16.0 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FD
oklch(93.6% 0.028 274.7)
-
Step 200
200
#CFD7FD
oklch(88.5% 0.053 275.9)
-
Step 300
300
#AFBCFE
oklch(80.9% 0.095 275.5)
-
Step 400
400
#8796FE
oklch(70.7% 0.152 275.6)
-
Step 500
500
#6D78FC
oklch(63.2% 0.194 275.8)
-
Step 600
600
#585CEB
oklch(55.6% 0.211 275.9)
-
Step 700
700
#484ACD
oklch(49.1% 0.197 275.7)
-
Step 800
800 (this color)
#4247AF
oklch(45.6% 0.163 275.8)
-
Step 900
900
#323683
oklch(37.7% 0.127 276.2)
-
Step 950
950
#1D214D
oklch(27.1% 0.08 275.8)
#4247AF 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) | #0058B2 | 0.058 |
| Deuteranopia (no green cones) | #004FAD | 0.052 |
| Tritanopia (no blue cones) | #006074 | 0.137 |
| Achromatopsia (no color) | #545454 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4247AF
#4247AF
oklch(45.6% 0.163 275.8)
- #675600
#675600
oklch(45.7% 0.094 95.7)
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 #4247AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.042
- Blue With A Hint Of Purple #533CC6 ΔE 0.048
- Majorelle Blue #3F37C9 ΔE 0.053
- Blue Blue #2242C7 ΔE 0.055
- Blurple #5539CC ΔE 0.059
- Sapphire #2138AB ΔE 0.059
- Dark Slate Blue #483D8B ΔE 0.062
- Bluey Purple #6241C7 ΔE 0.063
Use #4247AF 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.