#6171E2
Closest named color: Cornflower (#6A79F7). oklch(59.4% 0.171 274), rgb(97, 113, 226).
Aa
Black text reads best on this color (4.96:1).
About this color
#6171E2 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.171 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.038 away. Black text reads best on it, at 4.96:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 4.96:1 |
| White text | 4.22:1 |
Values
| HEX | #6171E2 |
| RGB | rgb(97, 113, 226) |
| HSL | hsl(233, 69%, 63%) |
| OKLCH | oklch(59.4% 0.171 274) |
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 #6171E2 | 4.22:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #6171E2 | 4.96:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #6171E2 text on white | 4.22:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #6171E2 text on black | 4.96:1 | AA | Lc -32.8 | 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
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CFD8F9
oklch(88.6% 0.047 273.4)
-
Step 300
300
#AFBDF7
oklch(80.8% 0.084 273.9)
-
Step 400
400
#8799F3
oklch(70.7% 0.133 273.9)
-
Step 500
500 (this color)
#6171E2
oklch(59.4% 0.171 274)
-
Step 600
600
#5563DD
oklch(55.6% 0.185 273.8)
-
Step 700
700
#4651C0
oklch(49.1% 0.172 273.9)
-
Step 800
800
#39439B
oklch(42.7% 0.142 273.8)
-
Step 900
900
#313A7C
oklch(37.8% 0.111 274)
-
Step 950
950
#1C2248
oklch(26.9% 0.07 274)
#6171E2 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) | #3581E6 | 0.053 |
| Deuteranopia (no green cones) | #1E76E0 | 0.058 |
| Tritanopia (no blue cones) | #058B9F | 0.152 |
| Achromatopsia (no color) | #7B7B7B | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6171E2
#6171E2
oklch(59.4% 0.171 274)
- #967C00
#967C00
oklch(59.3% 0.122 94.2)
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 #6171E2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.038
- Medium Slate Blue #7B68EE ΔE 0.045
- Royal Blue #4169E1 ΔE 0.045
- Dark Periwinkle #665FD1 ΔE 0.048
- Soft Blue #6488EA ΔE 0.059
- Light Indigo #6D5ACF ΔE 0.060
- Neon Blue #4361EE ΔE 0.060
- Slate Blue #6A5ACD ΔE 0.061
Use #6171E2 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.