#4645AB
Closest named color: Blueberry (#464196). oklch(45.2% 0.159 278.4), rgb(70, 69, 171).
Aa
White text reads best on this color (7.77:1).
About this color
#4645AB is a medium-dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.159 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.035 away. White text reads best on it, at 7.77:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.159) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.69:1 |
| White text | 7.77:1 |
Values
| HEX | #4645AB |
| RGB | rgb(70, 69, 171) |
| HSL | hsl(241, 43%, 47%) |
| OKLCH | oklch(45.2% 0.159 278.4) |
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 #4645AB | 7.77:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #4645AB | 2.69:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #4645AB text on white | 7.77:1 | AAA | Lc 86.6 | Fine for body text |
| #4645AB text on black | 2.69:1 | Fails | Lc -15.5 | 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
#E5E9FC
oklch(93.7% 0.026 276.4)
-
Step 200
200
#D1D6FC
oklch(88.4% 0.053 279.4)
-
Step 300
300
#B3BBFC
oklch(80.9% 0.092 278.7)
-
Step 400
400
#8D95FB
oklch(70.7% 0.148 278.5)
-
Step 500
500
#7376F9
oklch(63% 0.191 278.4)
-
Step 600
600
#5E5BE8
oklch(55.6% 0.207 278.2)
-
Step 700
700
#4E49C9
oklch(49% 0.192 278.3)
-
Step 800
800 (this color)
#4645AB
oklch(45.2% 0.159 278.4)
-
Step 900
900
#353681
oklch(37.7% 0.123 278.1)
-
Step 950
950
#1F204C
oklch(27% 0.08 278.7)
#4645AB 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) | #0057AE | 0.064 |
| Deuteranopia (no green cones) | #004EA9 | 0.059 |
| Tritanopia (no blue cones) | #005E71 | 0.139 |
| Achromatopsia (no color) | #525252 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4645AB
#4645AB
oklch(45.2% 0.159 278.4)
- #645600
#645600
oklch(45.3% 0.094 98.3)
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 #4645AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.035
- Blue With A Hint Of Purple #533CC6 ΔE 0.050
- Dark Slate Blue #483D8B ΔE 0.054
- Majorelle Blue #3F37C9 ΔE 0.057
- Blurple #5539CC ΔE 0.060
- Sapphire #2138AB ΔE 0.061
- Blue Blue #2242C7 ΔE 0.062
- Bluey Purple #6241C7 ΔE 0.063
Use #4645AB 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.