#677FFB#677FFB

#677FFB is a light, vivid blue. Relative luminance 0.250; OKLCH L 64.1% C 0.185 H 272.0°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#677FFB
RGB	rgb(103, 127, 251)
HSL	hsl(230, 95%, 69%)
HSV	hsv(230, 59%, 98%)
CMYK	cmyk(59%, 49.4%, 0%, 1.6%)
CIE-LAB	lab(57.10, 27.56, -64.72)
CIE-LCH	lch(57.10, 70.34, 293.07°)
OKLab	oklab(64.06% 0.0063 -0.1852)
OKLCH	oklch(64.06% 0.185 272)
XYZ	xyz(30.5897, 25.0249, 94.4664)
Luminance	0.2503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677FFB #FBE367

analogous

#67C9FB #677FFB #9967FB

triadic

#677FFB #FB677F #7FFB67

tetradic

#677FFB #FB67C9 #FBE367 #67FB99

square

#677FFB #FB67C9 #FBE367 #67FB99

split-complementary

#677FFB #FB9967 #C9FB67

monochromatic

#062AE2 #2B4DF9 #677FFB #A3B1FD #DEE3FE

Accessibility & contrast

On white

3.50

#677FFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#677FFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677FFB

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677FFB	#FFFFFF	#000000	##000000
##677FFB	1.00	3.50	6.01	6.01
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D90FF

Deuteranopia (green-blind)

#1D83F8

Tritanopia (blue-blind)

#009BB1

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #677ffb;
/* rgb */ color: rgb(103, 127, 251);
/* oklch */ color: oklch(64.1% 0.185 272.0);

Tailwind

colors: {
  custom: {
    50: '#9ea3fd',
    500: '#677ffb',
    950: '#000000',
  },
}

SCSS

$custom: #677ffb;
$custom-light: #9ea3fd;
$custom-dark: #000000;

JSON

{
  "hex": "#677ffb",
  "rgb": {
    "r": 103,
    "g": 127,
    "b": 251
  },
  "hsl": {
    "h": 230.27,
    "s": 94.872,
    "l": 69.412
  },
  "oklch": {
    "l": 0.64056,
    "c": 0.18529,
    "h": 272
  },
  "luminance": 0.25027
}

Semantic roles & 50–950 ramp

primary

#677FFB

secondary

#F4EDCA

accent

#C000E6

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#100F18

muted

#7F7F86

Preview Lab

Preview with #677FFB

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

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