#6567D7
Closest named color: Dark Periwinkle (#665FD1). oklch(57% 0.168 278.9), rgb(101, 103, 215).
Aa
White text reads best on this color (4.69:1).
About this color
#6567D7 is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.168 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.020 away. White text reads best on it, at 4.69:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.47:1 |
| White text | 4.69:1 |
Values
| HEX | #6567D7 |
| RGB | rgb(101, 103, 215) |
| HSL | hsl(239, 59%, 62%) |
| OKLCH | oklch(57% 0.168 278.9) |
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 #6567D7 | 4.69:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #6567D7 | 4.47:1 | AA large text | Lc 31.8 | Non-text elements, placeholder text |
| #6567D7 text on white | 4.69:1 | AA | Lc 72.3 | Content text, not long reading |
| #6567D7 text on black | 4.47:1 | AA large text | Lc -29.4 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D2D7F5
oklch(88.5% 0.042 278)
-
Step 300
300
#B5BCF1
oklch(80.8% 0.075 278.7)
-
Step 400
400
#9098EB
oklch(70.7% 0.121 278.6)
-
Step 500
500
#777CE4
oklch(63.1% 0.154 278.9)
-
Step 600
600 (this color)
#6567D7
oklch(57% 0.168 278.9)
-
Step 700
700
#5151B6
oklch(49.1% 0.156 279)
-
Step 800
800
#424393
oklch(42.7% 0.129 278.9)
-
Step 900
900
#373975
oklch(37.6% 0.101 278.9)
-
Step 950
950
#202245
oklch(27% 0.064 278.7)
#6567D7 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) | #2A78DB | 0.066 |
| Deuteranopia (no green cones) | #196FD5 | 0.070 |
| Tritanopia (no blue cones) | #328095 | 0.146 |
| Achromatopsia (no color) | #747474 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6567D7
#6567D7
oklch(57% 0.168 278.9)
- #897700
#897700
oklch(56.9% 0.118 98.6)
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 #6567D7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.020
- Light Indigo #6D5ACF ΔE 0.033
- Slate Blue #6A5ACD ΔE 0.033
- Royal Blue #4169E1 ΔE 0.045
- Iris #6258C4 ΔE 0.045
- Medium Slate Blue #7B68EE ΔE 0.048
- Warm Blue #4B57DB ΔE 0.056
- Neon Blue #4361EE ΔE 0.058
Use #6567D7 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.