#677EC3#677EC3

#677EC3 is a mid, moderate blue. Relative luminance 0.217; OKLCH L 60.5% C 0.109 H 269.0°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#677EC3
RGB	rgb(103, 126, 195)
HSL	hsl(225, 43%, 58%)
HSV	hsv(225, 47%, 76%)
CMYK	cmyk(47.2%, 35.4%, 0%, 23.5%)
CIE-LAB	lab(53.75, 10.47, -38.64)
CIE-LCH	lch(53.75, 40.03, 285.16°)
OKLab	oklab(60.5% -0.0019 -0.1088)
OKLCH	oklch(60.5% 0.109 269)
XYZ	xyz(22.9016, 21.7440, 54.6094)
Luminance	0.2175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677EC3 #C3AC67

analogous

#67ACC3 #677EC3 #7E67C3

triadic

#677EC3 #C3677E #7EC367

tetradic

#677EC3 #C367AC #C3AC67 #67C37E

square

#677EC3 #C367AC #C3AC67 #67C37E

split-complementary

#677EC3 #C37E67 #ACC367

monochromatic

#32457E #435DAA #677EC3 #93A3D4 #BFC8E6

Accessibility & contrast

On white

3.93

#677EC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#677EC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677EC3

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677EC3	#FFFFFF	#000000	##000000
##677EC3	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6485C6

Deuteranopia (green-blind)

#5B7DC1

Tritanopia (blue-blind)

#438C97

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #677ec3;
/* rgb */ color: rgb(103, 126, 195);
/* oklch */ color: oklch(60.5% 0.109 269.0);

Tailwind

colors: {
  custom: {
    50: '#97a3d5',
    500: '#677ec3',
    950: '#000000',
  },
}

SCSS

$custom: #677ec3;
$custom-light: #97a3d5;
$custom-dark: #000000;

JSON

{
  "hex": "#677ec3",
  "rgb": {
    "r": 103,
    "g": 126,
    "b": 195
  },
  "hsl": {
    "h": 225,
    "s": 43.396,
    "l": 58.431
  },
  "oklch": {
    "l": 0.60499,
    "c": 0.10879,
    "h": 269
  },
  "luminance": 0.21745
}

Semantic roles & 50–950 ramp

primary

#677EC3

secondary

#D5CCB1

accent

#B455D3

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #677EC3

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

Preview Lab → · Contrast checker → · Palette generator →