#6183EE
Closest named color: Soft Blue (#6488EA). oklch(63.7% 0.165 268.2), rgb(97, 131, 238).
Aa
Black text reads best on this color (5.98:1).
About this color
#6183EE is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.165 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.016 away. Black text reads best on it, at 5.98:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.98:1 |
| White text | 3.50:1 |
Values
| HEX | #6183EE |
| RGB | rgb(97, 131, 238) |
| HSL | hsl(226, 81%, 66%) |
| OKLCH | oklch(63.7% 0.165 268.2) |
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 #6183EE | 3.50:1 | AA large text | Lc -67.9 | Content text, not long reading |
| Black text on #6183EE | 5.98:1 | AA | Lc 41.7 | Non-text elements, placeholder text |
| #6183EE text on white | 3.50:1 | AA large text | Lc 62.4 | Content text, not long reading |
| #6183EE text on black | 5.98:1 | AA | Lc -39.3 | 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 500.
-
Step 50
50
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFA
oklch(93.6% 0.023 266.9)
-
Step 200
200
#CCD9F8
oklch(88.5% 0.045 267.4)
-
Step 300
300
#AABFF6
oklch(80.8% 0.082 268.3)
-
Step 400
400
#7E9CF1
oklch(70.6% 0.129 268.2)
-
Step 500
500 (this color)
#6183EE
oklch(63.7% 0.165 268.2)
-
Step 600
600
#4868DA
oklch(55.6% 0.178 268.3)
-
Step 700
700
#3A56BE
oklch(49.2% 0.166 268.3)
-
Step 800
800
#2F4799
oklch(42.7% 0.137 267.9)
-
Step 900
900
#2A3C7A
oklch(37.7% 0.108 268.6)
-
Step 950
950
#182447
oklch(27% 0.067 267.5)
#6183EE 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) | #5190F2 | 0.034 |
| Deuteranopia (no green cones) | #3B83EC | 0.036 |
| Tritanopia (no blue cones) | #009BAD | 0.143 |
| Achromatopsia (no color) | #898989 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6183EE
#6183EE
oklch(63.7% 0.165 268.2)
- #AC8500
#AC8500
oklch(63.6% 0.13 87.8)
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 #6183EE, closest first.
No curated palette has a color within ΔE 0.04 of #6183EE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.016
- Cornflower #6A79F7 ΔE 0.031
- Dark Sky Blue #448EE4 ΔE 0.042
- Cornflower Blue #6495ED ΔE 0.048
- Chefchaouen Blue #4895EF ΔE 0.049
- Dodger Blue #1E90FF ΔE 0.055
- Lavender Blue #8B88F8 ΔE 0.059
- Clear Blue #247AFD ΔE 0.063
Use #6183EE 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.