#536CF4
Closest named color: Neon Blue (#4361EE). oklch(58.9% 0.205 270.9), rgb(83, 108, 244).
Aa
Black text reads best on this color (4.81:1).
About this color
#536CF4 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.205 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.035 away. Black text reads best on it, at 4.81:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.205) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.81:1 |
| White text | 4.35:1 |
Values
| HEX | #536CF4 |
| RGB | rgb(83, 108, 244) |
| HSL | hsl(231, 88%, 64%) |
| OKLCH | oklch(58.9% 0.205 270.9) |
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 #536CF4 | 4.35:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #536CF4 | 4.81:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #536CF4 text on white | 4.35:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #536CF4 text on black | 4.81:1 | AA | Lc -31.9 | Non-text elements, placeholder text |
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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FC
oklch(93.5% 0.027 271.9)
-
Step 200
200
#CCD8FC
oklch(88.5% 0.051 270.8)
-
Step 300
300
#AABEFD
oklch(80.9% 0.092 270.6)
-
Step 400
400
#7F99FC
oklch(70.6% 0.148 271.1)
-
Step 500
500
#617CF9
oklch(63% 0.188 270.9)
-
Step 600
600 (this color)
#536CF4
oklch(58.9% 0.205 270.9)
-
Step 700
700
#3D4FCA
oklch(49% 0.19 271.1)
-
Step 800
800
#3242A3
oklch(42.7% 0.157 271)
-
Step 900
900
#2B3982
oklch(37.7% 0.123 271.1)
-
Step 950
950
#19224C
oklch(27% 0.078 271.2)
#536CF4 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) | #0080F9 | 0.060 |
| Deuteranopia (no green cones) | #0072F1 | 0.050 |
| Tritanopia (no blue cones) | #008DA6 | 0.168 |
| Achromatopsia (no color) | #797979 | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #536CF4
#536CF4
oklch(58.9% 0.205 270.9)
- #987900
#987900
oklch(58.9% 0.12 90.7)
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 #536CF4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.035
- Royal Blue #4169E1 ΔE 0.037
- Clear Blue #247AFD ΔE 0.045
- Cornflower #6A79F7 ΔE 0.045
- Cerulean Blue #056EEE ΔE 0.051
- Medium Slate Blue #7B68EE ΔE 0.054
- Bright Blue #0165FC ΔE 0.059
- Dark Periwinkle #665FD1 ΔE 0.062
Use #536CF4 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.