#615EFD
Closest named color: Neon Blue (#4361EE). oklch(58% 0.229 277.3), rgb(97, 94, 253).
Aa
White text reads best on this color (4.63:1).
About this color
#615EFD is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.229 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.043 away. White text reads best on it, at 4.63:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.229) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.52:1 |
| White text | 4.63:1 |
Values
| HEX | #615EFD |
| RGB | rgb(97, 94, 253) |
| HSL | hsl(241, 98%, 68%) |
| OKLCH | oklch(58% 0.229 277.3) |
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 #615EFD | 4.63:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #615EFD | 4.52:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #615EFD text on white | 4.63:1 | AA | Lc 71.6 | Content text, not long reading |
| #615EFD text on black | 4.52:1 | AA | Lc -30.0 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E4E9FE
oklch(93.7% 0.029 275.2)
-
Step 200
200
#CFD6FF
oklch(88.4% 0.057 277.5)
-
Step 300
300
#B1BBFF
oklch(80.9% 0.097 277.5)
-
Step 400
400
#8A95FF
oklch(70.7% 0.154 277.2)
-
Step 500
500
#7075FF
oklch(63.1% 0.201 277.4)
-
Step 600
600 (this color)
#615EFD
oklch(58% 0.229 277.3)
-
Step 700
700
#4C44D5
oklch(49.1% 0.213 277.5)
-
Step 800
800
#3D3AAC
oklch(42.7% 0.176 277.1)
-
Step 900
900
#333488
oklch(37.8% 0.137 277.1)
-
Step 950
950
#1E1F50
oklch(27% 0.088 277.9)
#615EFD 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) | #007BFF | 0.083 |
| Deuteranopia (no green cones) | #006EFA | 0.072 |
| Tritanopia (no blue cones) | #0086A5 | 0.191 |
| Achromatopsia (no color) | #757575 | 0.230 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #615EFD
#615EFD
oklch(58% 0.229 277.3)
- #8E7A00
#8E7A00
oklch(58.1% 0.12 97.7)
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 #615EFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.043
- Medium Slate Blue #7B68EE ΔE 0.052
- Royal Blue #4169E1 ΔE 0.060
- Warm Blue #4B57DB ΔE 0.063
- Cornflower #6A79F7 ΔE 0.065
- Dark Periwinkle #665FD1 ΔE 0.067
- Bright Blue #0165FC ΔE 0.071
- Purpley #8756E4 ΔE 0.071
Use #615EFD 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.