#6575D5
Closest named color: Cornflower (#6A79F7). oklch(59.6% 0.147 274), rgb(101, 117, 213).
Aa
Black text reads best on this color (5.05:1).
About this color
#6575D5 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.147 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.052 away. Black text reads best on it, at 5.05:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.05:1 |
| White text | 4.15:1 |
Values
| HEX | #6575D5 |
| RGB | rgb(101, 117, 213) |
| HSL | hsl(231, 57%, 62%) |
| OKLCH | oklch(59.6% 0.147 274) |
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 #6575D5 | 4.15:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #6575D5 | 5.05:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #6575D5 text on white | 4.15:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #6575D5 text on black | 5.05:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#D0D8F4
oklch(88.5% 0.04 272.9)
-
Step 300
300
#B2BEF0
oklch(81% 0.072 274.2)
-
Step 400
400
#8A9BE8
oklch(70.7% 0.114 273.6)
-
Step 500
500 (this color)
#6575D5
oklch(59.6% 0.147 274)
-
Step 600
600
#5867CF
oklch(55.6% 0.16 273.9)
-
Step 700
700
#4955B3
oklch(49.1% 0.148 274.1)
-
Step 800
800
#3C4691
oklch(42.7% 0.123 274.3)
-
Step 900
900
#333C74
oklch(37.8% 0.096 274.1)
-
Step 950
950
#1D2344
oklch(26.9% 0.062 273.8)
#6575D5 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) | #4B81D9 | 0.039 |
| Deuteranopia (no green cones) | #3F78D3 | 0.041 |
| Tritanopia (no blue cones) | #318A9B | 0.130 |
| Achromatopsia (no color) | #7C7C7C | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6575D5
#6575D5
oklch(59.6% 0.147 274)
- #977D00
#977D00
oklch(59.7% 0.122 94.3)
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 #6575D5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.052
- Soft Blue #6488EA ΔE 0.054
- Dark Periwinkle #665FD1 ΔE 0.054
- Medium Slate Blue #7B68EE ΔE 0.059
- Royal Blue #4169E1 ΔE 0.059
- Windows Blue #3778BF ΔE 0.062
- Light Indigo #6D5ACF ΔE 0.065
- Slate Blue #6A5ACD ΔE 0.066
Use #6575D5 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.