#4252B4
Closest named color: Iris (#6258C4). oklch(48.1% 0.155 272.2), rgb(66, 82, 180).
Aa
White text reads best on this color (6.77:1).
About this color
#4252B4 is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.155 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.056 away. White text reads best on it, at 6.77:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.09:1 |
| White text | 6.77:1 |
Values
| HEX | #4252B4 |
| RGB | rgb(66, 82, 180) |
| HSL | hsl(232, 46%, 48%) |
| OKLCH | oklch(48.1% 0.155 272.2) |
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 #4252B4 | 6.77:1 | AA | Lc -88.1 | Fine for body text |
| Black text on #4252B4 | 3.09:1 | AA large text | Lc 21.0 | Dividers and decoration only |
| #4252B4 text on white | 6.77:1 | AA | Lc 83.0 | Fine for body text |
| #4252B4 text on black | 3.09:1 | AA large text | Lc -18.9 | 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 700.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#CFD8F6
oklch(88.5% 0.042 272.3)
-
Step 300
300
#AFBEF2
oklch(80.8% 0.076 272.1)
-
Step 400
400
#879BEC
oklch(70.7% 0.121 272.4)
-
Step 500
500
#6A80E5
oklch(63% 0.153 272.1)
-
Step 600
600
#5467D3
oklch(55.6% 0.166 272.4)
-
Step 700
700 (this color)
#4252B4
oklch(48.1% 0.155 272.2)
-
Step 800
800
#384694
oklch(42.7% 0.128 272.2)
-
Step 900
900
#303C76
oklch(37.8% 0.1 272)
-
Step 950
950
#1C2345
oklch(26.9% 0.064 272.7)
#4252B4 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) | #0C60B7 | 0.049 |
| Deuteranopia (no green cones) | #0056B2 | 0.046 |
| Tritanopia (no blue cones) | #00697B | 0.131 |
| Achromatopsia (no color) | #5B5B5B | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4252B4
#4252B4
oklch(48.1% 0.155 272.2)
- #725B00
#725B00
oklch(48.1% 0.098 91.6)
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 #4252B4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.056
- Blue With A Hint Of Purple #533CC6 ΔE 0.059
- Blueberry #464196 ΔE 0.061
- Blue Blue #2242C7 ΔE 0.063
- Warm Blue #4B57DB ΔE 0.063
- Denim Blue #3B5B92 ΔE 0.064
- Bluey Purple #6241C7 ΔE 0.065
- Mid Blue #276AB3 ΔE 0.065
Use #4252B4 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.