#656CF4
Closest named color: Cornflower (#6A79F7). oklch(59.9% 0.2 276.3), rgb(101, 108, 244).
Aa
Black text reads best on this color (5.00:1).
About this color
#656CF4 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.200 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.032 away. Black text reads best on it, at 5.00:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.200) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.00:1 |
| White text | 4.19:1 |
Values
| HEX | #656CF4 |
| RGB | rgb(101, 108, 244) |
| HSL | hsl(237, 87%, 68%) |
| OKLCH | oklch(59.9% 0.2 276.3) |
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 #656CF4 | 4.19:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #656CF4 | 5.00:1 | AA | Lc 35.5 | Non-text elements, placeholder text |
| #656CF4 text on white | 4.19:1 | AA large text | Lc 68.5 | Content text, not long reading |
| #656CF4 text on black | 5.00:1 | AA | Lc -33.1 | 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 500.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E4E9FD
oklch(93.6% 0.028 274.7)
-
Step 200
200
#CFD7FE
oklch(88.6% 0.054 276.1)
-
Step 300
300
#B0BCFF
oklch(81% 0.096 276.2)
-
Step 400
400
#8895FF
oklch(70.6% 0.155 276.4)
-
Step 500
500 (this color)
#656CF4
oklch(59.9% 0.2 276.3)
-
Step 600
600
#595AEE
oklch(55.6% 0.217 276.4)
-
Step 700
700
#4948D0
oklch(49.1% 0.203 276.2)
-
Step 800
800
#3C3DA8
oklch(42.8% 0.167 276.3)
-
Step 900
900
#323585
oklch(37.6% 0.131 276.4)
-
Step 950
950
#1D204E
oklch(27% 0.083 276.5)
#656CF4 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) | #0082F9 | 0.076 |
| Deuteranopia (no green cones) | #0076F1 | 0.071 |
| Tritanopia (no blue cones) | #008CA6 | 0.172 |
| Achromatopsia (no color) | #7C7C7C | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #656CF4
#656CF4
oklch(59.9% 0.2 276.3)
- #967F00
#967F00
oklch(60% 0.123 96.3)
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 #656CF4, closest first.
No curated palette has a color within ΔE 0.04 of #656CF4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.032
- Medium Slate Blue #7B68EE ΔE 0.033
- Neon Blue #4361EE ΔE 0.053
- Royal Blue #4169E1 ΔE 0.053
- Dark Periwinkle #665FD1 ΔE 0.059
- Clear Blue #247AFD ΔE 0.062
- Light Indigo #6D5ACF ΔE 0.067
- Purpley #8756E4 ΔE 0.069
Use #656CF4 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.