#617BDF#617BDF

#617BDF is a mid, vivid blue. Relative luminance 0.220; OKLCH L 61.1% C 0.154 H 270.4°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#617BDF
RGB	rgb(97, 123, 223)
HSL	hsl(228, 66%, 63%)
HSV	hsv(228, 57%, 87%)
CMYK	cmyk(56.5%, 44.8%, 0%, 12.5%)
CIE-LAB	lab(54.06, 19.76, -54.02)
CIE-LCH	lch(54.06, 57.52, 290.09°)
OKLab	oklab(61.12% 0.001 -0.1539)
OKLCH	oklch(61.12% 0.154 270.4)
XYZ	xyz(25.3276, 22.0331, 72.7159)
Luminance	0.2203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#617BDF #DFC561

analogous

#61BADF #617BDF #8661DF

triadic

#617BDF #DF617B #7BDF61

tetradic

#617BDF #DF61BA #DFC561 #61DF86

square

#617BDF #DF61BA #DFC561 #61DF86

split-complementary

#617BDF #DF8661 #BADF61

monochromatic

#213CA4 #2E50D5 #617BDF #94A6E9 #C7D0F4

Accessibility & contrast

On white

3.88

#617BDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#617BDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #617BDF

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##617BDF	#FFFFFF	#000000	##000000
##617BDF	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)

#4E87E3

Deuteranopia (green-blind)

#3D7CDD

Tritanopia (blue-blind)

#0A91A2

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #617bdf;
/* rgb */ color: rgb(97, 123, 223);
/* oklch */ color: oklch(61.1% 0.154 270.4);

Tailwind

colors: {
  custom: {
    50: '#97a0e9',
    500: '#617bdf',
    950: '#000000',
  },
}

SCSS

$custom: #617bdf;
$custom-light: #97a0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#617bdf",
  "rgb": {
    "r": 97,
    "g": 123,
    "b": 223
  },
  "hsl": {
    "h": 227.619,
    "s": 66.316,
    "l": 62.745
  },
  "oklch": {
    "l": 0.61121,
    "c": 0.15391,
    "h": 270.4
  },
  "luminance": 0.22035
}

Semantic roles & 50–950 ramp

primary

#617BDF

secondary

#E5DBB7

accent

#A817CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #617BDF

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

Preview Lab → · Contrast checker → · Palette generator →