#617BCB#617BCB

#617BCB is a mid, vivid blue. Relative luminance 0.210; OKLCH L 59.9% C 0.126 H 268.8°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#617BCB
RGB	rgb(97, 123, 203)
HSL	hsl(225, 50%, 59%)
HSV	hsv(225, 52%, 80%)
CMYK	cmyk(52.2%, 39.4%, 0%, 20.4%)
CIE-LAB	lab(52.97, 13.34, -44.46)
CIE-LCH	lch(52.97, 46.42, 286.70°)
OKLab	oklab(59.93% -0.0026 -0.1259)
OKLCH	oklch(59.93% 0.126 268.8)
XYZ	xyz(22.7887, 21.0175, 59.3443)
Luminance	0.2102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#617BCB #CBB161

analogous

#61B0CB #617BCB #7C61CB

triadic

#617BCB #CB617B #7BCB61

tetradic

#617BCB #CB61B0 #CBB161 #61CB7C

square

#617BCB #CB61B0 #CBB161 #61CB7C

split-complementary

#617BCB #CB7C61 #B0CB61

monochromatic

#2C4286 #3B59B4 #617BCB #8FA1DA #BDC8E9

Accessibility & contrast

On white

4.04

#617BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#617BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #617BCB

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##617BCB	#FFFFFF	#000000	##000000
##617BCB	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B83CE

Deuteranopia (green-blind)

#4F7AC9

Tritanopia (blue-blind)

#2F8C99

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #617bcb;
/* rgb */ color: rgb(97, 123, 203);
/* oklch */ color: oklch(59.9% 0.126 268.8);

Tailwind

colors: {
  custom: {
    50: '#94a0db',
    500: '#617bcb',
    950: '#000000',
  },
}

SCSS

$custom: #617bcb;
$custom-light: #94a0db;
$custom-dark: #000000;

JSON

{
  "hex": "#617bcb",
  "rgb": {
    "r": 97,
    "g": 123,
    "b": 203
  },
  "hsl": {
    "h": 225.283,
    "s": 50.476,
    "l": 58.824
  },
  "oklch": {
    "l": 0.59927,
    "c": 0.12591,
    "h": 268.8
  },
  "luminance": 0.21019
}

Semantic roles & 50–950 ramp

primary

#617BCB

secondary

#D9CFAF

accent

#B84EDA

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #617BCB

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

Preview Lab → · Contrast checker → · Palette generator →