#617FDB#617FDB

#617FDB is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.7% C 0.143 H 268.4°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#617FDB
RGB	rgb(97, 127, 219)
HSL	hsl(225, 63%, 62%)
HSV	hsv(225, 56%, 86%)
CMYK	cmyk(55.7%, 42%, 0%, 14.1%)
CIE-LAB	lab(54.90, 16.04, -50.44)
CIE-LCH	lch(54.90, 52.93, 287.64°)
OKLab	oklab(61.69% -0.004 -0.1433)
OKLCH	oklch(61.69% 0.143 268.4)
XYZ	xyz(25.3011, 22.8327, 70.0780)
Luminance	0.2283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#617FDB #DBBD61

analogous

#61BCDB #617FDB #8061DB

triadic

#617FDB #DB617F #7FDB61

tetradic

#617FDB #DB61BC #DBBD61 #61DB80

square

#617FDB #DB61BC #DBBD61 #61DB80

split-complementary

#617FDB #DB8061 #BCDB61

monochromatic

#24429E #2F57D0 #617FDB #93A7E6 #C5D0F2

Accessibility & contrast

On white

3.77

#617FDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#617FDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #617FDB

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##617FDB	#FFFFFF	#000000	##000000
##617FDB	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5889DF

Deuteranopia (green-blind)

#487ED9

Tritanopia (blue-blind)

#1493A2

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #617fdb;
/* rgb */ color: rgb(97, 127, 219);
/* oklch */ color: oklch(61.7% 0.143 268.4);

Tailwind

colors: {
  custom: {
    50: '#96a3e6',
    500: '#617fdb',
    950: '#000000',
  },
}

SCSS

$custom: #617fdb;
$custom-light: #96a3e6;
$custom-dark: #000000;

JSON

{
  "hex": "#617fdb",
  "rgb": {
    "r": 97,
    "g": 127,
    "b": 219
  },
  "hsl": {
    "h": 225.246,
    "s": 62.887,
    "l": 61.961
  },
  "oklch": {
    "l": 0.6169,
    "c": 0.14341,
    "h": 268.4
  },
  "luminance": 0.22835
}

Semantic roles & 50–950 ramp

primary

#617FDB

secondary

#E2D7B5

accent

#9F1BCB

background

#F9FAFE

surface

#F2F3FC

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #617FDB

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

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