#6181FF
Closest named color: Cornflower (#6A79F7). oklch(64.4% 0.19 269.7), rgb(97, 129, 255).
Aa
Black text reads best on this color (6.09:1).
About this color
#6181FF is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.190 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.022 away. Black text reads best on it, at 6.09:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.190) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 6.09:1 |
| White text | 3.44:1 |
Values
| HEX | #6181FF |
| RGB | rgb(97, 129, 255) |
| HSL | hsl(228, 100%, 69%) |
| OKLCH | oklch(64.4% 0.19 269.7) |
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 #6181FF | 3.44:1 | AA large text | Lc -67.1 | Content text, not long reading |
| Black text on #6181FF | 6.09:1 | AA | Lc 42.4 | Non-text elements, placeholder text |
| #6181FF text on white | 3.44:1 | AA large text | Lc 61.7 | Content text, not long reading |
| #6181FF text on black | 6.09:1 | AA | Lc -40.0 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3EAFD
oklch(93.7% 0.027 269.7)
-
Step 200
200
#CBD8FC
oklch(88.4% 0.052 269.6)
-
Step 300
300
#A9BEFD
oklch(80.8% 0.092 270)
-
Step 400
400
#7C9AFD
oklch(70.7% 0.149 269.6)
-
Step 500
500 (this color)
#6181FF
oklch(64.4% 0.19 269.7)
-
Step 600
600
#4762EA
oklch(55.6% 0.207 269.8)
-
Step 700
700
#3950CB
oklch(49.1% 0.192 269.7)
-
Step 800
800
#2F42A4
oklch(42.6% 0.159 269.9)
-
Step 900
900
#293A82
oklch(37.8% 0.123 269.6)
-
Step 950
950
#18224C
oklch(26.9% 0.079 270.3)
#6181FF 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) | #3B92FF | 0.049 |
| Deuteranopia (no green cones) | #0F83FC | 0.055 |
| Tritanopia (no blue cones) | #009EB4 | 0.161 |
| Achromatopsia (no color) | #8A8A8A | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6181FF
#6181FF
oklch(64.4% 0.19 269.7)
- #AD8800
#AD8800
oklch(64.4% 0.132 89.3)
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 #6181FF, closest first.
No curated palette has a color within ΔE 0.04 of #6181FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.022
- Soft Blue #6488EA ΔE 0.039
- Dodger Blue #1E90FF ΔE 0.055
- Clear Blue #247AFD ΔE 0.057
- Periwinkle #8E82FE ΔE 0.059
- Lavender Blue #8B88F8 ΔE 0.060
- Dark Sky Blue #448EE4 ΔE 0.062
- Chefchaouen Blue #4895EF ΔE 0.062
Use #6181FF 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.