#617BB1#617BB1

#617BB1 is a mid, moderate blue. Relative luminance 0.199; OKLCH L 58.5% C 0.089 H 264.2°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#617BB1
RGB	rgb(97, 123, 177)
HSL	hsl(221, 34%, 54%)
HSV	hsv(221, 45%, 69%)
CMYK	cmyk(45.2%, 30.5%, 0%, 30.6%)
CIE-LAB	lab(51.70, 5.31, -31.55)
CIE-LCH	lch(51.70, 32.00, 279.55°)
OKLab	oklab(58.53% -0.0091 -0.0883)
OKLCH	oklch(58.53% 0.089 264.2)
XYZ	xyz(19.9460, 19.8805, 44.3727)
Luminance	0.1988 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#617BB1 #B19761

analogous

#61A3B1 #617BB1 #6F61B1

triadic

#617BB1 #B1617B #7BB161

tetradic

#617BB1 #B161A3 #B19761 #61B16F

square

#617BB1 #B161A3 #B19761 #61B16F

split-complementary

#617BB1 #B16F61 #A3B161

monochromatic

#324365 #465E8E #617BB1 #8A9DC5 #B3BFD9

Accessibility & contrast

On white

4.22

#617BB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#617BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #617BB1

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##617BB1	#FFFFFF	#000000	##000000
##617BB1	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677FB3

Deuteranopia (green-blind)

#5F78B0

Tritanopia (blue-blind)

#43868E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #617bb1;
/* rgb */ color: rgb(97, 123, 177);
/* oklch */ color: oklch(58.5% 0.089 264.2);

Tailwind

colors: {
  custom: {
    50: '#92a1c8',
    500: '#617bb1',
    950: '#000000',
  },
}

SCSS

$custom: #617bb1;
$custom-light: #92a1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#617bb1",
  "rgb": {
    "r": 97,
    "g": 123,
    "b": 177
  },
  "hsl": {
    "h": 220.5,
    "s": 33.898,
    "l": 53.725
  },
  "oklch": {
    "l": 0.58531,
    "c": 0.08881,
    "h": 264.2
  },
  "luminance": 0.19882
}

Semantic roles & 50–950 ramp

primary

#617BB1

secondary

#C8BDA6

accent

#A75ECA

background

#F9F9FC

surface

#F1F2F8

border

#CBCCD1

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #617BB1

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

Preview Lab → · Contrast checker → · Palette generator →