#605BEB
Closest named color: Neon Blue (#4361EE). oklch(56% 0.21 278.7), rgb(96, 91, 235).
Aa
White text reads best on this color (5.00:1).
About this color
#605BEB is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.210 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.036 away. White text reads best on it, at 5.00:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.210) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.19:1 |
| White text | 5.00:1 |
Values
| HEX | #605BEB |
| RGB | rgb(96, 91, 235) |
| HSL | hsl(242, 78%, 64%) |
| OKLCH | oklch(56% 0.21 278.7) |
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 #605BEB | 5.00:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #605BEB | 4.19:1 | AA large text | Lc 30.0 | Dividers and decoration only |
| #605BEB text on white | 5.00:1 | AA | Lc 74.1 | Content text, not long reading |
| #605BEB 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
#E5E8FD
oklch(93.5% 0.029 279.4)
-
Step 200
200
#D1D6FC
oklch(88.4% 0.053 279.4)
-
Step 300
300
#B3BBFD
oklch(81% 0.094 278.7)
-
Step 400
400
#8D94FD
oklch(70.7% 0.152 278.9)
-
Step 500
500
#7476FA
oklch(63.2% 0.192 278.7)
-
Step 600
600 (this color)
#605BEB
oklch(56% 0.21 278.7)
-
Step 700
700
#4F48CB
oklch(49.1% 0.196 278.7)
-
Step 800
800
#403CA4
oklch(42.6% 0.162 278.7)
-
Step 900
900
#363582
oklch(37.7% 0.126 279)
-
Step 950
950
#1F204C
oklch(27% 0.08 278.7)
#605BEB 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) | #0075F0 | 0.082 |
| Deuteranopia (no green cones) | #0069E8 | 0.074 |
| Tritanopia (no blue cones) | #007F9A | 0.181 |
| Achromatopsia (no color) | #6F6F6F | 0.211 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #605BEB
#605BEB
oklch(56% 0.21 278.7)
- #867500
#867500
oklch(56.1% 0.116 99.1)
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 #605BEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.036
- Warm Blue #4B57DB ΔE 0.040
- Dark Periwinkle #665FD1 ΔE 0.042
- Light Indigo #6D5ACF ΔE 0.047
- Royal Blue #4169E1 ΔE 0.048
- Slate Blue #6A5ACD ΔE 0.048
- Medium Slate Blue #7B68EE ΔE 0.053
- Iris #6258C4 ΔE 0.060
Use #605BEB 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.