#617FBB#617FBB

#617FBB is a mid, moderate blue. Relative luminance 0.213; OKLCH L 59.9% C 0.098 H 263.4°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#617FBB
RGB	rgb(97, 127, 187)
HSL	hsl(220, 40%, 56%)
HSV	hsv(220, 48%, 73%)
CMYK	cmyk(48.1%, 32.1%, 0%, 26.7%)
CIE-LAB	lab(53.28, 5.95, -34.83)
CIE-LCH	lch(53.28, 35.33, 279.69°)
OKLab	oklab(59.91% -0.0113 -0.0978)
OKLCH	oklch(59.91% 0.098 263.4)
XYZ	xyz(21.4858, 21.3066, 49.9845)
Luminance	0.2131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#617FBB #BB9D61

analogous

#61ACBB #617FBB #7061BB

triadic

#617FBB #BB617F #7FBB61

tetradic

#617FBB #BB61AC #BB9D61 #61BB70

square

#617FBB #BB61AC #BB9D61 #61BB70

split-complementary

#617FBB #BB7061 #ACBB61

monochromatic

#314671 #43619C #617FBB #8CA2CD #B7C4E0

Accessibility & contrast

On white

3.99

#617FBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#617FBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #617FBB

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##617FBB	#FFFFFF	#000000	##000000
##617FBB	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6884BE

Deuteranopia (green-blind)

#5F7BBA

Tritanopia (blue-blind)

#3C8C94

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #617fbb;
/* rgb */ color: rgb(97, 127, 187);
/* oklch */ color: oklch(59.9% 0.098 263.4);

Tailwind

colors: {
  custom: {
    50: '#93a3cf',
    500: '#617fbb',
    950: '#000000',
  },
}

SCSS

$custom: #617fbb;
$custom-light: #93a3cf;
$custom-dark: #000000;

JSON

{
  "hex": "#617fbb",
  "rgb": {
    "r": 97,
    "g": 127,
    "b": 187
  },
  "hsl": {
    "h": 220,
    "s": 39.823,
    "l": 55.686
  },
  "oklch": {
    "l": 0.59912,
    "c": 0.09847,
    "h": 263.4
  },
  "luminance": 0.21308
}

Semantic roles & 50–950 ramp

primary

#617FBB

secondary

#CFC2A9

accent

#A858D0

background

#F9FAFC

surface

#F2F3F9

border

#CCCDD2

text

#0D0F14

muted

#7E7F82

Preview Lab

Preview with #617FBB

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

Preview Lab → · Contrast checker → · Palette generator →