#618DEF#618DEF

#618DEF is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.8% C 0.154 H 264.4°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#618DEF
RGB	rgb(97, 141, 239)
HSL	hsl(221, 82%, 66%)
HSV	hsv(221, 59%, 94%)
CMYK	cmyk(59.4%, 41%, 0%, 6.3%)
CIE-LAB	lab(59.73, 14.14, -53.90)
CIE-LCH	lch(59.73, 55.73, 284.70°)
OKLab	oklab(65.76% -0.0152 -0.1534)
OKLCH	oklch(65.76% 0.154 264.4)
XYZ	xyz(30.0293, 27.8206, 85.4320)
Luminance	0.2782 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#618DEF #EFC361

analogous

#61D4EF #618DEF #7C61EF

triadic

#618DEF #EF618D #8DEF61

tetradic

#618DEF #EF61D4 #EFC361 #61EF7C

square

#618DEF #EF61D4 #EFC361 #61EF7C

split-complementary

#618DEF #EF7C61 #D4EF61

monochromatic

#144AC2 #2965E9 #618DEF #99B5F5 #D0DDFA

Accessibility & contrast

On white

3.20

#618DEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#618DEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #618DEF

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##618DEF	#FFFFFF	#000000	##000000
##618DEF	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6297F3

Deuteranopia (green-blind)

#4E8AED

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #618def;
/* rgb */ color: rgb(97, 141, 239);
/* oklch */ color: oklch(65.8% 0.154 264.4);

Tailwind

colors: {
  custom: {
    50: '#99adf5',
    500: '#618def',
    950: '#000000',
  },
}

SCSS

$custom: #618def;
$custom-light: #99adf5;
$custom-dark: #000000;

JSON

{
  "hex": "#618def",
  "rgb": {
    "r": 97,
    "g": 141,
    "b": 239
  },
  "hsl": {
    "h": 221.408,
    "s": 81.609,
    "l": 65.882
  },
  "oklch": {
    "l": 0.65755,
    "c": 0.15412,
    "h": 264.4
  },
  "luminance": 0.27823
}

Semantic roles & 50–950 ramp

primary

#618DEF

secondary

#EDDFBE

accent

#9C08DE

background

#FAFAFF

surface

#F3F4FE

border

#CDCED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #618DEF

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

Preview Lab → · Contrast checker → · Palette generator →