#6572E1
Closest named color: Cornflower (#6A79F7). oklch(59.7% 0.167 275.1), rgb(101, 114, 225).
Aa
Black text reads best on this color (5.04:1).
About this color
#6572E1 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.167 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.037 away. Black text reads best on it, at 5.04:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.167) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.04:1 |
| White text | 4.16:1 |
Values
| HEX | #6572E1 |
| RGB | rgb(101, 114, 225) |
| HSL | hsl(234, 67%, 64%) |
| OKLCH | oklch(59.7% 0.167 275.1) |
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 #6572E1 | 4.16:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #6572E1 | 5.04:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #6572E1 text on white | 4.16:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #6572E1 text on black | 5.04:1 | AA | Lc -33.3 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D0D7F8
oklch(88.4% 0.046 276)
-
Step 300
300
#B1BDF6
oklch(80.9% 0.082 275.2)
-
Step 400
400
#8999F1
oklch(70.7% 0.13 274.8)
-
Step 500
500 (this color)
#6572E1
oklch(59.7% 0.167 275.1)
-
Step 600
600
#5863DB
oklch(55.6% 0.181 274.9)
-
Step 700
700
#4951BE
oklch(49.1% 0.169 275.1)
-
Step 800
800
#3C439A
oklch(42.8% 0.14 275.3)
-
Step 900
900
#323A7A
oklch(37.8% 0.108 274.7)
-
Step 950
950
#1D2248
oklch(27% 0.07 275)
#6572E1 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) | #3A82E5 | 0.054 |
| Deuteranopia (no green cones) | #2877DF | 0.058 |
| Tritanopia (no blue cones) | #228B9F | 0.147 |
| Achromatopsia (no color) | #7C7C7C | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6572E1
#6572E1
oklch(59.7% 0.167 275.1)
- #967E00
#967E00
oklch(59.8% 0.123 95.6)
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 #6572E1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.037
- Medium Slate Blue #7B68EE ΔE 0.043
- Dark Periwinkle #665FD1 ΔE 0.050
- Royal Blue #4169E1 ΔE 0.051
- Soft Blue #6488EA ΔE 0.056
- Light Indigo #6D5ACF ΔE 0.061
- Slate Blue #6A5ACD ΔE 0.062
- Neon Blue #4361EE ΔE 0.066
Use #6572E1 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.