#6771D6
Closest named color: Dark Periwinkle (#665FD1). oklch(59% 0.153 276.4), rgb(103, 113, 214).
Aa
Black text reads best on this color (4.90:1).
About this color
#6771D6 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.153 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.045 away. Black text reads best on it, at 4.90:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.90:1 |
| White text | 4.27:1 |
Values
| HEX | #6771D6 |
| RGB | rgb(103, 113, 214) |
| HSL | hsl(235, 58%, 62%) |
| OKLCH | oklch(59% 0.153 276.4) |
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 #6771D6 | 4.27:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #6771D6 | 4.90:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #6771D6 text on white | 4.27:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #6771D6 text on black | 4.90:1 | AA | Lc -32.3 | 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 600.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D2D8F3
oklch(88.6% 0.038 275.7)
-
Step 300
300
#B4BDEE
oklch(80.8% 0.07 276.6)
-
Step 400
400
#8E9AE5
oklch(70.7% 0.111 276.2)
-
Step 500
500
#747FDD
oklch(63% 0.141 276.5)
-
Step 600
600 (this color)
#6771D6
oklch(59% 0.153 276.4)
-
Step 700
700
#4E55AF
oklch(49.1% 0.141 276.5)
-
Step 800
800
#3F468E
oklch(42.7% 0.118 276)
-
Step 900
900
#353B71
oklch(37.6% 0.092 276.3)
-
Step 950
950
#1F2342
oklch(26.9% 0.058 276.3)
#6771D6 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) | #437FDA | 0.049 |
| Deuteranopia (no green cones) | #3776D4 | 0.051 |
| Tritanopia (no blue cones) | #368799 | 0.135 |
| Achromatopsia (no color) | #7A7A7A | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6771D6
#6771D6
oklch(59% 0.153 276.4)
- #927C00
#927C00
oklch(58.9% 0.121 96.6)
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 #6771D6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.045
- Medium Slate Blue #7B68EE ΔE 0.052
- Cornflower #6A79F7 ΔE 0.052
- Royal Blue #4169E1 ΔE 0.055
- Light Indigo #6D5ACF ΔE 0.055
- Slate Blue #6A5ACD ΔE 0.056
- Soft Blue #6488EA ΔE 0.062
- Iris #6258C4 ΔE 0.066
Use #6771D6 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.