#617FCB#617FCB

#617FCB is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.8% C 0.121 H 266.5°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#617FCB
RGB	rgb(97, 127, 203)
HSL	hsl(223, 50%, 59%)
HSV	hsv(223, 52%, 80%)
CMYK	cmyk(52.2%, 37.4%, 0%, 20.4%)
CIE-LAB	lab(54.06, 10.93, -42.73)
CIE-LCH	lch(54.06, 44.11, 284.34°)
OKLab	oklab(60.77% -0.0073 -0.1208)
OKLCH	oklch(60.77% 0.121 266.5)
XYZ	xyz(23.2951, 22.0303, 59.5131)
Luminance	0.2203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#617FCB #CBAD61

analogous

#61B4CB #617FCB #7861CB

triadic

#617FCB #CB617F #7FCB61

tetradic

#617FCB #CB61B4 #CBAD61 #61CB78

square

#617FCB #CB61B4 #CBAD61 #61CB78

split-complementary

#617FCB #CB7861 #B4CB61

monochromatic

#2C4586 #3B5DB4 #617FCB #8FA4DA #BDCAE9

Accessibility & contrast

On white

3.88

#617FCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#617FCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #617FCB

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##617FCB	#FFFFFF	#000000	##000000
##617FCB	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6186CE

Deuteranopia (green-blind)

#557DC9

Tritanopia (blue-blind)

#2E8F9B

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #617fcb;
/* rgb */ color: rgb(97, 127, 203);
/* oklch */ color: oklch(60.8% 0.121 266.5);

Tailwind

colors: {
  custom: {
    50: '#94a3db',
    500: '#617fcb',
    950: '#000000',
  },
}

SCSS

$custom: #617fcb;
$custom-light: #94a3db;
$custom-dark: #000000;

JSON

{
  "hex": "#617fcb",
  "rgb": {
    "r": 97,
    "g": 127,
    "b": 203
  },
  "hsl": {
    "h": 223.019,
    "s": 50.476,
    "l": 58.824
  },
  "oklch": {
    "l": 0.60768,
    "c": 0.12103,
    "h": 266.5
  },
  "luminance": 0.22032
}

Semantic roles & 50–950 ramp

primary

#617FCB

secondary

#D9CDAF

accent

#B24EDA

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #617FCB

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

Preview Lab → · Contrast checker → · Palette generator →