#5152DD
Closest named color: Warm Blue (#4B57DB). oklch(52.4% 0.206 276.3), rgb(81, 82, 221).
Aa
White text reads best on this color (5.83:1).
About this color
#5152DD is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.206 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.013 away. White text reads best on it, at 5.83:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.206) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.60:1 |
| White text | 5.83:1 |
Values
| HEX | #5152DD |
| RGB | rgb(81, 82, 221) |
| HSL | hsl(240, 67%, 59%) |
| OKLCH | oklch(52.4% 0.206 276.3) |
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 #5152DD | 5.83:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #5152DD | 3.60:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #5152DD text on white | 5.83:1 | AA | Lc 78.6 | Fine for body text |
| #5152DD text on black | 3.60:1 | AA large text | Lc -23.2 | 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 600.
-
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
#CFD7FC
oklch(88.5% 0.052 275.7)
-
Step 300
300
#B0BCFD
oklch(80.9% 0.093 276)
-
Step 400
400
#8996FC
oklch(70.7% 0.149 276.4)
-
Step 500
500
#6E78F9
oklch(63.1% 0.19 276.2)
-
Step 600
600 (this color)
#5152DD
oklch(52.4% 0.206 276.3)
-
Step 700
700
#4A4BCA
oklch(49.1% 0.192 276.4)
-
Step 800
800
#3C3FA3
oklch(42.8% 0.158 276.1)
-
Step 900
900
#323781
oklch(37.7% 0.123 275.9)
-
Step 950
950
#1D214C
oklch(27.1% 0.078 275.8)
#5152DD 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) | #006BE1 | 0.071 |
| Deuteranopia (no green cones) | #005FDA | 0.061 |
| Tritanopia (no blue cones) | #007590 | 0.171 |
| Achromatopsia (no color) | #656565 | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5152DD
#5152DD
oklch(52.4% 0.206 276.3)
- #7C6900
#7C6900
oklch(52.3% 0.108 96.6)
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 #5152DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.013
- Neon Blue #4361EE ΔE 0.042
- Iris #6258C4 ΔE 0.049
- Dark Periwinkle #665FD1 ΔE 0.050
- Slate Blue #6A5ACD ΔE 0.051
- Royal Blue #4169E1 ΔE 0.053
- Light Indigo #6D5ACF ΔE 0.053
- Bluey Purple #6241C7 ΔE 0.053
Use #5152DD 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.