#677BB2#677BB2

#677BB2 is a mid, moderate blue. Relative luminance 0.203; OKLCH L 59.0% C 0.088 H 268.4°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#677BB2
RGB	rgb(103, 123, 178)
HSL	hsl(224, 33%, 55%)
HSV	hsv(224, 42%, 70%)
CMYK	cmyk(42.1%, 30.9%, 0%, 30.2%)
CIE-LAB	lab(52.13, 7.20, -31.43)
CIE-LCH	lch(52.13, 32.24, 282.90°)
OKLab	oklab(58.98% -0.0025 -0.0879)
OKLCH	oklch(58.98% 0.088 268.4)
XYZ	xyz(20.7099, 20.2628, 44.9307)
Luminance	0.2026 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677BB2 #B29E67

analogous

#67A0B2 #677BB2 #7867B2

triadic

#677BB2 #B2677B #7BB267

tetradic

#677BB2 #B267A0 #B29E67 #67B278

square

#677BB2 #B267A0 #B29E67 #67B278

split-complementary

#677BB2 #B27867 #A0B267

monochromatic

#354369 #4A5D92 #677BB2 #909EC7 #B8C2DB

Accessibility & contrast

On white

4.16

#677BB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#677BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #677BB2

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677BB2	#FFFFFF	#000000	##000000
##677BB2	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6880B4

Deuteranopia (green-blind)

#6179B1

Tritanopia (blue-blind)

#4E868F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #677bb2;
/* rgb */ color: rgb(103, 123, 178);
/* oklch */ color: oklch(59.0% 0.088 268.4);

Tailwind

colors: {
  custom: {
    50: '#95a1c9',
    500: '#677bb2',
    950: '#000000',
  },
}

SCSS

$custom: #677bb2;
$custom-light: #95a1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#677bb2",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 178
  },
  "hsl": {
    "h": 224,
    "s": 32.751,
    "l": 55.098
  },
  "oklch": {
    "l": 0.58981,
    "c": 0.08793,
    "h": 268.4
  },
  "luminance": 0.20264
}

Semantic roles & 50–950 ramp

primary

#677BB2

secondary

#CAC2AB

accent

#AD5FC9

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #677BB2

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

Preview Lab → · Contrast checker → · Palette generator →