#657BB5#657BB5

#657BB5 is a mid, moderate blue. Relative luminance 0.203; OKLCH L 59.0% C 0.093 H 267.7°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#657BB5
RGB	rgb(101, 123, 181)
HSL	hsl(224, 35%, 55%)
HSV	hsv(224, 44%, 71%)
CMYK	cmyk(44.2%, 32%, 0%, 29%)
CIE-LAB	lab(52.14, 7.55, -33.16)
CIE-LCH	lch(52.14, 34.01, 282.82°)
OKLab	oklab(59% -0.0038 -0.0929)
OKLCH	oklch(59% 0.093 267.7)
XYZ	xyz(20.7876, 20.2677, 46.5238)
Luminance	0.2027 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657BB5 #B59F65

analogous

#65A3B5 #657BB5 #7765B5

triadic

#657BB5 #B5657B #7BB565

tetradic

#657BB5 #B565A3 #B59F65 #65B577

square

#657BB5 #B565A3 #B59F65 #65B577

split-complementary

#657BB5 #B57765 #A3B565

monochromatic

#34436C #485D95 #657BB5 #8E9EC9 #B8C2DD

Accessibility & contrast

On white

4.16

#657BB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#657BB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657BB5

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657BB5	#FFFFFF	#000000	##000000
##657BB5	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)

#6680B7

Deuteranopia (green-blind)

#5E79B4

Tritanopia (blue-blind)

#488790

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #657bb5;
/* rgb */ color: rgb(101, 123, 181);
/* oklch */ color: oklch(59.0% 0.093 267.7);

Tailwind

colors: {
  custom: {
    50: '#94a1cb',
    500: '#657bb5',
    950: '#000000',
  },
}

SCSS

$custom: #657bb5;
$custom-light: #94a1cb;
$custom-dark: #000000;

JSON

{
  "hex": "#657bb5",
  "rgb": {
    "r": 101,
    "g": 123,
    "b": 181
  },
  "hsl": {
    "h": 223.5,
    "s": 35.088,
    "l": 55.294
  },
  "oklch": {
    "l": 0.58997,
    "c": 0.09301,
    "h": 267.7
  },
  "luminance": 0.20269
}

Semantic roles & 50–950 ramp

primary

#657BB5

secondary

#CCC2AA

accent

#AD5DCB

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #657BB5

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

Preview Lab → · Contrast checker → · Palette generator →