#617FDF#617FDF

#617FDF is a mid, vivid blue. Relative luminance 0.230; OKLCH L 61.9% C 0.149 H 268.7°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#617FDF
RGB	rgb(97, 127, 223)
HSL	hsl(226, 66%, 63%)
HSV	hsv(226, 57%, 87%)
CMYK	cmyk(56.5%, 43%, 0%, 12.5%)
CIE-LAB	lab(55.12, 17.33, -52.33)
CIE-LCH	lch(55.12, 55.13, 288.32°)
OKLab	oklab(61.93% -0.0033 -0.1489)
OKLCH	oklch(61.93% 0.149 268.7)
XYZ	xyz(25.8340, 23.0459, 72.8847)
Luminance	0.2305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#617FDF #DFC161

analogous

#61BEDF #617FDF #8261DF

triadic

#617FDF #DF617F #7FDF61

tetradic

#617FDF #DF61BE #DFC161 #61DF82

square

#617FDF #DF61BE #DFC161 #61DF82

split-complementary

#617FDF #DF8261 #BEDF61

monochromatic

#2140A4 #2E56D5 #617FDF #94A8E9 #C7D1F4

Accessibility & contrast

On white

3.74

#617FDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#617FDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #617FDF

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##617FDF	#FFFFFF	#000000	##000000
##617FDF	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#558AE3

Deuteranopia (green-blind)

#447FDD

Tritanopia (blue-blind)

#0694A4

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #617fdf;
/* rgb */ color: rgb(97, 127, 223);
/* oklch */ color: oklch(61.9% 0.149 268.7);

Tailwind

colors: {
  custom: {
    50: '#97a3e9',
    500: '#617fdf',
    950: '#000000',
  },
}

SCSS

$custom: #617fdf;
$custom-light: #97a3e9;
$custom-dark: #000000;

JSON

{
  "hex": "#617fdf",
  "rgb": {
    "r": 97,
    "g": 127,
    "b": 223
  },
  "hsl": {
    "h": 225.714,
    "s": 66.316,
    "l": 62.745
  },
  "oklch": {
    "l": 0.6193,
    "c": 0.14895,
    "h": 268.7
  },
  "luminance": 0.23048
}

Semantic roles & 50–950 ramp

primary

#617FDF

secondary

#E5DAB7

accent

#A317CE

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #617FDF

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

Preview Lab → · Contrast checker → · Palette generator →