#596CFC
Closest named color: Cornflower (#6A79F7). oklch(59.8% 0.213 272.5), rgb(89, 108, 252).
Aa
Black text reads best on this color (4.97:1).
About this color
#596CFC is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.213 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.041 away. Black text reads best on it, at 4.97:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.213) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 4.97:1 |
| White text | 4.22:1 |
Values
| HEX | #596CFC |
| RGB | rgb(89, 108, 252) |
| HSL | hsl(233, 96%, 67%) |
| OKLCH | oklch(59.8% 0.213 272.5) |
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 #596CFC | 4.22:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #596CFC | 4.97:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #596CFC text on white | 4.22:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #596CFC text on black | 4.97:1 | AA | Lc -33.0 | 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 500.
-
Step 50
50
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FF
oklch(93.6% 0.03 273.6)
-
Step 200
200
#CCD8FF
oklch(88.6% 0.055 271.8)
-
Step 300
300
#ABBDFF
oklch(80.9% 0.096 272.3)
-
Step 400
400
#8198FF
oklch(70.7% 0.153 272.5)
-
Step 500
500 (this color)
#596CFC
oklch(59.8% 0.213 272.5)
-
Step 600
600
#4C5AF7
oklch(55.6% 0.231 272.3)
-
Step 700
700
#3F48D8
oklch(49.2% 0.216 272.6)
-
Step 800
800
#333CAE
oklch(42.6% 0.179 272.6)
-
Step 900
900
#2B368A
oklch(37.8% 0.139 272.2)
-
Step 950
950
#192051
oklch(26.9% 0.089 272.8)
#596CFC 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) | #0083FF | 0.067 |
| Deuteranopia (no green cones) | #0074F9 | 0.056 |
| Tritanopia (no blue cones) | #008FAA | 0.176 |
| Achromatopsia (no color) | #7B7B7B | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #596CFC
#596CFC
oklch(59.8% 0.213 272.5)
- #997D00
#997D00
oklch(59.9% 0.123 93.1)
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 #596CFC, closest first.
No curated palette has a color within ΔE 0.04 of #596CFC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.041
- Neon Blue #4361EE ΔE 0.044
- Clear Blue #247AFD ΔE 0.049
- Medium Slate Blue #7B68EE ΔE 0.050
- Royal Blue #4169E1 ΔE 0.050
- Cerulean Blue #056EEE ΔE 0.062
- Bright Blue #0165FC ΔE 0.065
- Dark Periwinkle #665FD1 ΔE 0.071
Use #596CFC 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.