#617FB5#617FB5

#617FB5 is a mid, moderate blue. Relative luminance 0.211; OKLCH L 59.6% C 0.090 H 261.7°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#617FB5
RGB	rgb(97, 127, 181)
HSL	hsl(219, 36%, 55%)
HSV	hsv(219, 46%, 71%)
CMYK	cmyk(46.4%, 29.8%, 0%, 29%)
CIE-LAB	lab(53.01, 4.13, -31.82)
CIE-LCH	lch(53.01, 32.08, 277.39°)
OKLab	oklab(59.61% -0.013 -0.0891)
OKLCH	oklch(59.61% 0.09 261.7)
XYZ	xyz(20.8569, 21.0550, 46.6721)
Luminance	0.2106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#617FB5 #B59761

analogous

#61A9B5 #617FB5 #6D61B5

triadic

#617FB5 #B5617F #7FB561

tetradic

#617FB5 #B561A9 #B59761 #61B56D

square

#617FB5 #B561A9 #B59761 #61B56D

split-complementary

#617FB5 #B56D61 #A9B561

monochromatic

#32466A #456194 #617FB5 #8BA1C9 #B4C3DC

Accessibility & contrast

On white

4.03

#617FB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#617FB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #617FB5

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##617FB5	#FFFFFF	#000000	##000000
##617FB5	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B83B7

Deuteranopia (green-blind)

#627BB4

Tritanopia (blue-blind)

#408B92

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #617fb5;
/* rgb */ color: rgb(97, 127, 181);
/* oklch */ color: oklch(59.6% 0.090 261.7);

Tailwind

colors: {
  custom: {
    50: '#92a3cb',
    500: '#617fb5',
    950: '#000000',
  },
}

SCSS

$custom: #617fb5;
$custom-light: #92a3cb;
$custom-dark: #000000;

JSON

{
  "hex": "#617fb5",
  "rgb": {
    "r": 97,
    "g": 127,
    "b": 181
  },
  "hsl": {
    "h": 218.571,
    "s": 36.207,
    "l": 54.51
  },
  "oklch": {
    "l": 0.59609,
    "c": 0.09004,
    "h": 261.7
  },
  "luminance": 0.21056
}

Semantic roles & 50–950 ramp

primary

#617FB5

secondary

#CBBEA7

accent

#A45CCC

background

#F9FAFC

surface

#F1F3F8

border

#CBCDD1

text

#0D0F13

muted

#7E7F82

Preview Lab

Preview with #617FB5

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

Preview Lab → · Contrast checker → · Palette generator →