#4052AA
Closest named color: Denim Blue (#3B5B92). oklch(47.3% 0.142 271.3), rgb(64, 82, 170).
Aa
White text reads best on this color (6.98:1).
About this color
#4052AA is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.142 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.050 away. White text reads best on it, at 6.98:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.00:1 |
| White text | 6.98:1 |
Values
| HEX | #4052AA |
| RGB | rgb(64, 82, 170) |
| HSL | hsl(230, 45%, 46%) |
| OKLCH | oklch(47.3% 0.142 271.3) |
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 #4052AA | 6.98:1 | AA | Lc -88.9 | Fine for body text |
| Black text on #4052AA | 3.00:1 | AA large text | Lc 20.1 | Dividers and decoration only |
| #4052AA text on white | 6.98:1 | AA | Lc 83.9 | Fine for body text |
| #4052AA text on black | 3.00:1 | AA large text | Lc -18.1 | 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 700.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#D0D8F3
oklch(88.5% 0.038 272.5)
-
Step 300
300
#B0BFEE
oklch(80.9% 0.069 271)
-
Step 400
400
#889CE5
oklch(70.6% 0.11 271.7)
-
Step 500
500
#6B82DE
oklch(63.1% 0.141 271.3)
-
Step 600
600
#546ACB
oklch(55.6% 0.151 271.1)
-
Step 700
700 (this color)
#4052AA
oklch(47.3% 0.142 271.3)
-
Step 800
800
#38488E
oklch(42.6% 0.117 271)
-
Step 900
900
#303D72
oklch(37.7% 0.092 271.1)
-
Step 950
950
#1C2443
oklch(27% 0.059 271.1)
#4052AA 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) | #205EAD | 0.039 |
| Deuteranopia (no green cones) | #0055A8 | 0.045 |
| Tritanopia (no blue cones) | #006676 | 0.121 |
| Achromatopsia (no color) | #595959 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4052AA
#4052AA
oklch(47.3% 0.142 271.3)
- #705900
#705900
oklch(47.4% 0.097 91.3)
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 #4052AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.050
- Blueberry #464196 ΔE 0.051
- Twilight #4E518B ΔE 0.053
- Dusky Blue #475F94 ΔE 0.056
- Dusk Blue #26538D ΔE 0.057
- Mid Blue #276AB3 ΔE 0.065
- Cobalt #1E488F ΔE 0.066
- Light Navy Blue #2E5A88 ΔE 0.067
Use #4052AA 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.