#657DB5#657DB5

#657DB5 is a mid, moderate blue. Relative luminance 0.208; OKLCH L 59.4% C 0.091 H 266.0°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#657DB5
RGB	rgb(101, 125, 181)
HSL	hsl(222, 35%, 55%)
HSV	hsv(222, 44%, 71%)
CMYK	cmyk(44.2%, 30.9%, 0%, 29%)
CIE-LAB	lab(52.70, 6.35, -32.29)
CIE-LCH	lch(52.70, 32.91, 281.13°)
OKLab	oklab(59.43% -0.0064 -0.0904)
OKLCH	oklch(59.43% 0.091 266)
XYZ	xyz(21.0383, 20.7689, 46.6073)
Luminance	0.2077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657DB5 #B59D65

analogous

#65A5B5 #657DB5 #7565B5

triadic

#657DB5 #B5657D #7DB565

tetradic

#657DB5 #B565A5 #B59D65 #65B575

square

#657DB5 #B565A5 #B59D65 #65B575

split-complementary

#657DB5 #B57565 #A5B565

monochromatic

#34456C #485F95 #657DB5 #8EA0C9 #B8C3DD

Accessibility & contrast

On white

4.07

#657DB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#657DB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657DB5

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657DB5	#FFFFFF	#000000	##000000
##657DB5	1.00	4.07	5.15	5.15
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6982B7

Deuteranopia (green-blind)

#617AB4

Tritanopia (blue-blind)

#488991

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #657db5;
/* rgb */ color: rgb(101, 125, 181);
/* oklch */ color: oklch(59.4% 0.091 266.0);

Tailwind

colors: {
  custom: {
    50: '#94a2cb',
    500: '#657db5',
    950: '#000000',
  },
}

SCSS

$custom: #657db5;
$custom-light: #94a2cb;
$custom-dark: #000000;

JSON

{
  "hex": "#657db5",
  "rgb": {
    "r": 101,
    "g": 125,
    "b": 181
  },
  "hsl": {
    "h": 222,
    "s": 35.088,
    "l": 55.294
  },
  "oklch": {
    "l": 0.59429,
    "c": 0.09062,
    "h": 266
  },
  "luminance": 0.2077
}

Semantic roles & 50–950 ramp

primary

#657DB5

secondary

#CCC2AA

accent

#AA5DCB

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0F13

muted

#7E7E82

Preview Lab

Preview with #657DB5

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

Preview Lab → · Contrast checker → · Palette generator →