#618AEF#618AEF

#618AEF is a light, vivid blue. Relative luminance 0.270; OKLCH L 65.1% C 0.158 H 265.6°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#618AEF
RGB	rgb(97, 138, 239)
HSL	hsl(223, 82%, 66%)
HSV	hsv(223, 59%, 94%)
CMYK	cmyk(59.4%, 42.3%, 0%, 6.3%)
CIE-LAB	lab(58.93, 15.93, -55.18)
CIE-LCH	lch(58.93, 57.43, 286.10°)
OKLab	oklab(65.14% -0.0121 -0.1571)
OKLCH	oklch(65.14% 0.158 265.6)
XYZ	xyz(29.5929, 26.9478, 85.2866)
Luminance	0.2695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618AEF #EFC661

analogous

#61D1EF #618AEF #7F61EF

triadic

#618AEF #EF618A #8AEF61

tetradic

#618AEF #EF61D1 #EFC661 #61EF7F

square

#618AEF #EF61D1 #EFC661 #61EF7F

split-complementary

#618AEF #EF7F61 #D1EF61

monochromatic

#1446C2 #2961E9 #618AEF #99B3F5 #D0DCFA

Accessibility & contrast

On white

3.29

#618AEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#618AEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618AEF

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618AEF	#FFFFFF	#000000	##000000
##618AEF	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D95F3

Deuteranopia (green-blind)

#4988ED

Tritanopia (blue-blind)

#00A1B1

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #618aef;
/* rgb */ color: rgb(97, 138, 239);
/* oklch */ color: oklch(65.1% 0.158 265.6);

Tailwind

colors: {
  custom: {
    50: '#99abf5',
    500: '#618aef',
    950: '#000000',
  },
}

SCSS

$custom: #618aef;
$custom-light: #99abf5;
$custom-dark: #000000;

JSON

{
  "hex": "#618aef",
  "rgb": {
    "r": 97,
    "g": 138,
    "b": 239
  },
  "hsl": {
    "h": 222.676,
    "s": 81.609,
    "l": 65.882
  },
  "oklch": {
    "l": 0.65139,
    "c": 0.1576,
    "h": 265.6
  },
  "luminance": 0.2695
}

Semantic roles & 50–950 ramp

primary

#618AEF

secondary

#EDE0BE

accent

#A008DE

background

#FAFAFF

surface

#F3F4FE

border

#CDCED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #618AEF

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →