#6168DD
Closest named color: Dark Periwinkle (#665FD1). oklch(57.3% 0.176 276.8), rgb(97, 104, 221).
Aa
White text reads best on this color (4.63:1).
About this color
#6168DD is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.176 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.027 away. White text reads best on it, at 4.63:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.176) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.53:1 |
| White text | 4.63:1 |
Values
| HEX | #6168DD |
| RGB | rgb(97, 104, 221) |
| HSL | hsl(237, 65%, 62%) |
| OKLCH | oklch(57.3% 0.176 276.8) |
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 #6168DD | 4.63:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #6168DD | 4.53:1 | AA | Lc 32.2 | Non-text elements, placeholder text |
| #6168DD text on white | 4.63:1 | AA | Lc 71.9 | Content text, not long reading |
| #6168DD text on black | 4.53:1 | AA | Lc -29.8 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D1D7F7
oklch(88.5% 0.044 277.1)
-
Step 300
300
#B3BDF4
oklch(81% 0.079 276.5)
-
Step 400
400
#8D98EE
oklch(70.6% 0.126 277.1)
-
Step 500
500
#727CE9
oklch(63% 0.162 276.7)
-
Step 600
600 (this color)
#6168DD
oklch(57.3% 0.176 276.8)
-
Step 700
700
#4D51BB
oklch(49.2% 0.164 276.9)
-
Step 800
800
#3E4397
oklch(42.7% 0.135 276.5)
-
Step 900
900
#353978
oklch(37.6% 0.106 277.3)
-
Step 950
950
#1F2246
oklch(27% 0.066 277.4)
#6168DD 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) | #227AE1 | 0.066 |
| Deuteranopia (no green cones) | #0070DB | 0.070 |
| Tritanopia (no blue cones) | #1A8398 | 0.155 |
| Achromatopsia (no color) | #757575 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6168DD
#6168DD
oklch(57.3% 0.176 276.8)
- #8C7700
#8C7700
oklch(57.2% 0.118 96.7)
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 #6168DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.027
- Royal Blue #4169E1 ΔE 0.038
- Light Indigo #6D5ACF ΔE 0.040
- Slate Blue #6A5ACD ΔE 0.040
- Medium Slate Blue #7B68EE ΔE 0.046
- Neon Blue #4361EE ΔE 0.050
- Iris #6258C4 ΔE 0.052
- Warm Blue #4B57DB ΔE 0.053
Use #6168DD 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.