#677CEE#677CEE

#677CEE is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.6% C 0.172 H 272.7°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#677CEE
RGB	rgb(103, 124, 238)
HSL	hsl(231, 80%, 67%)
HSV	hsv(231, 57%, 93%)
CMYK	cmyk(56.7%, 47.9%, 0%, 6.7%)
CIE-LAB	lab(55.55, 25.18, -60.00)
CIE-LCH	lch(55.55, 65.07, 292.76°)
OKLab	oklab(62.63% 0.008 -0.1713)
OKLCH	oklch(62.63% 0.172 272.7)
XYZ	xyz(28.2287, 23.4698, 83.9149)
Luminance	0.2347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677CEE #EED967

analogous

#67BFEE #677CEE #9667EE

triadic

#677CEE #EE677C #7CEE67

tetradic

#677CEE #EE67BF #EED967 #67EE96

square

#677CEE #EE67BF #EED967 #67EE96

split-complementary

#677CEE #EE9667 #BFEE67

monochromatic

#1631C5 #304DE8 #677CEE #9EABF4 #D5DBFA

Accessibility & contrast

On white

3.69

#677CEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#677CEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677CEE

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677CEE	#FFFFFF	#000000	##000000
##677CEE	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#448BF2

Deuteranopia (green-blind)

#2F80EC

Tritanopia (blue-blind)

#0696AA

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #677cee;
/* rgb */ color: rgb(103, 124, 238);
/* oklch */ color: oklch(62.6% 0.172 272.7);

Tailwind

colors: {
  custom: {
    50: '#9ca1f4',
    500: '#677cee',
    950: '#000000',
  },
}

SCSS

$custom: #677cee;
$custom-light: #9ca1f4;
$custom-dark: #000000;

JSON

{
  "hex": "#677cee",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 238
  },
  "hsl": {
    "h": 230.667,
    "s": 79.882,
    "l": 66.863
  },
  "oklch": {
    "l": 0.62632,
    "c": 0.17151,
    "h": 272.7
  },
  "luminance": 0.23472
}

Semantic roles & 50–950 ramp

primary

#677CEE

secondary

#EEE7C3

accent

#BB09DC

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0F17

muted

#7F7E85

Preview Lab

Preview with #677CEE

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

Preview Lab → · Contrast checker → · Palette generator →