#657BB4#657BB4

#657BB4 is a mid, moderate blue. Relative luminance 0.202; OKLCH L 58.9% C 0.092 H 267.5°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#657BB4
RGB	rgb(101, 123, 180)
HSL	hsl(223, 34%, 55%)
HSV	hsv(223, 44%, 71%)
CMYK	cmyk(43.9%, 31.7%, 0%, 29.4%)
CIE-LAB	lab(52.09, 7.25, -32.65)
CIE-LCH	lch(52.09, 33.45, 282.52°)
OKLab	oklab(58.95% -0.0041 -0.0915)
OKLCH	oklch(58.95% 0.092 267.5)
XYZ	xyz(20.6854, 20.2268, 45.9854)
Luminance	0.2023 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BB4 #B49E65

analogous

#65A3B4 #657BB4 #7665B4

triadic

#657BB4 #B4657B #7BB465

tetradic

#657BB4 #B465A3 #B49E65 #65B476

square

#657BB4 #B465A3 #B49E65 #65B476

split-complementary

#657BB4 #B47665 #A3B465

monochromatic

#34436B #485D94 #657BB4 #8E9EC8 #B7C2DC

Accessibility & contrast

On white

4.16

#657BB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#657BB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BB4

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BB4	#FFFFFF	#000000	##000000
##657BB4	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)

#6780B6

Deuteranopia (green-blind)

#5F79B3

Tritanopia (blue-blind)

#49878F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #657bb4;
/* rgb */ color: rgb(101, 123, 180);
/* oklch */ color: oklch(58.9% 0.092 267.5);

Tailwind

colors: {
  custom: {
    50: '#94a1ca',
    500: '#657bb4',
    950: '#000000',
  },
}

SCSS

$custom: #657bb4;
$custom-light: #94a1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#657bb4",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 180
  },
  "hsl": {
    "h": 223.291,
    "s": 34.498,
    "l": 55.098
  },
  "oklch": {
    "l": 0.58946,
    "c": 0.09156,
    "h": 267.5
  },
  "luminance": 0.20228
}

Semantic roles & 50–950 ramp

primary

#657BB4

secondary

#CBC2AA

accent

#AC5DCB

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #657BB4

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

Preview Lab → · Contrast checker → · Palette generator →