#6171EF
Closest named color: Cornflower (#6A79F7). oklch(60.2% 0.188 273.9), rgb(97, 113, 239).
Aa
Black text reads best on this color (5.11:1).
About this color
#6171EF is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.188 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.026 away. Black text reads best on it, at 5.11:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.188) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.11:1 |
| White text | 4.10:1 |
Values
| HEX | #6171EF |
| RGB | rgb(97, 113, 239) |
| HSL | hsl(233, 82%, 66%) |
| OKLCH | oklch(60.2% 0.188 273.9) |
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 #6171EF | 4.10:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #6171EF | 5.11:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #6171EF text on white | 4.10:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #6171EF text on black | 5.11:1 | AA | Lc -33.8 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CED7FC
oklch(88.4% 0.052 274.5)
-
Step 300
300
#AEBDFD
oklch(81% 0.092 274)
-
Step 400
400
#8598FC
oklch(70.8% 0.147 273.9)
-
Step 500
500 (this color)
#6171EF
oklch(60.2% 0.188 273.9)
-
Step 600
600
#535FE8
oklch(55.6% 0.205 273.9)
-
Step 700
700
#444DCA
oklch(49.1% 0.191 273.8)
-
Step 800
800
#3840A3
oklch(42.7% 0.158 274.1)
-
Step 900
900
#2F3881
oklch(37.7% 0.122 273.7)
-
Step 950
950
#1B214C
oklch(26.9% 0.079 273.9)
#6171EF 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) | #2184F3 | 0.063 |
| Deuteranopia (no green cones) | #0077EC | 0.064 |
| Tritanopia (no blue cones) | #008EA5 | 0.163 |
| Achromatopsia (no color) | #7D7D7D | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6171EF
#6171EF
oklch(60.2% 0.188 273.9)
- #997E00
#997E00
oklch(60.1% 0.123 93.8)
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 #6171EF, closest first.
No curated palette has a color within ΔE 0.04 of #6171EF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.026
- Medium Slate Blue #7B68EE ΔE 0.039
- Royal Blue #4169E1 ΔE 0.049
- Clear Blue #247AFD ΔE 0.055
- Neon Blue #4361EE ΔE 0.056
- Dark Periwinkle #665FD1 ΔE 0.059
- Soft Blue #6488EA ΔE 0.060
- Cerulean Blue #056EEE ΔE 0.069
Use #6171EF 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.