#535FEA
Closest named color: Neon Blue (#4361EE). oklch(55.8% 0.207 273.8), rgb(83, 95, 234).
Aa
White text reads best on this color (5.00:1).
About this color
#535FEA is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.207 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.019 away. White text reads best on it, at 5.00:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.207) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.19:1 |
| White text | 5.00:1 |
Values
| HEX | #535FEA |
| RGB | rgb(83, 95, 234) |
| HSL | hsl(235, 78%, 62%) |
| OKLCH | oklch(55.8% 0.207 273.8) |
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 #535FEA | 5.00:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #535FEA | 4.19:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #535FEA text on white | 5.00:1 | AA | Lc 74.1 | Content text, not long reading |
| #535FEA text on black | 4.19:1 | AA large text | Lc -27.6 | 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
#E4E9FD
oklch(93.6% 0.028 274.7)
-
Step 200
200
#CED7FC
oklch(88.4% 0.052 274.5)
-
Step 300
300
#ADBDFD
oklch(80.9% 0.092 273.3)
-
Step 400
400
#8497FD
oklch(70.6% 0.15 274)
-
Step 500
500
#687AFA
oklch(63.1% 0.19 273.7)
-
Step 600
600 (this color)
#535FEA
oklch(55.8% 0.207 273.8)
-
Step 700
700
#444DCB
oklch(49.2% 0.192 273.8)
-
Step 800
800
#3740A4
oklch(42.7% 0.159 273.6)
-
Step 900
900
#2F3882
oklch(37.8% 0.124 273.7)
-
Step 950
950
#1B214C
oklch(26.9% 0.079 273.9)
#535FEA 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) | #0076EF | 0.067 |
| Deuteranopia (no green cones) | #0069E7 | 0.056 |
| Tritanopia (no blue cones) | #00819B | 0.171 |
| Achromatopsia (no color) | #6F6F6F | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #535FEA
#535FEA
oklch(55.8% 0.207 273.8)
- #8A7200
#8A7200
oklch(55.9% 0.115 94.3)
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 #535FEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.019
- Royal Blue #4169E1 ΔE 0.032
- Warm Blue #4B57DB ΔE 0.032
- Dark Periwinkle #665FD1 ΔE 0.046
- Azul #1D5DEC ΔE 0.051
- Slate Blue #6A5ACD ΔE 0.055
- Light Indigo #6D5ACF ΔE 0.055
- Cerulean Blue #056EEE ΔE 0.057
Use #535FEA 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.