#617BBB#617BBB

#617BBB is a mid, moderate blue. Relative luminance 0.203; OKLCH L 59.0% C 0.103 H 266.5°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#617BBB
RGB	rgb(97, 123, 187)
HSL	hsl(223, 40%, 56%)
HSV	hsv(223, 48%, 73%)
CMYK	cmyk(48.1%, 34.2%, 0%, 26.7%)
CIE-LAB	lab(52.17, 8.35, -36.58)
CIE-LCH	lch(52.17, 37.52, 282.85°)
OKLab	oklab(59.05% -0.0063 -0.1029)
OKLCH	oklch(59.05% 0.103 266.5)
XYZ	xyz(20.9795, 20.2938, 49.8157)
Luminance	0.2029 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#617BBB #BBA161

analogous

#61A8BB #617BBB #7461BB

triadic

#617BBB #BB617B #7BBB61

tetradic

#617BBB #BB61A8 #BBA161 #61BB74

square

#617BBB #BB61A8 #BBA161 #61BB74

split-complementary

#617BBB #BB7461 #A8BB61

monochromatic

#314371 #435D9C #617BBB #8C9FCD #B7C2E0

Accessibility & contrast

On white

4.15

#617BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#617BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #617BBB

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##617BBB	#FFFFFF	#000000	##000000
##617BBB	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6381BE

Deuteranopia (green-blind)

#5A79BA

Tritanopia (blue-blind)

#3D8992

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #617bbb;
/* rgb */ color: rgb(97, 123, 187);
/* oklch */ color: oklch(59.0% 0.103 266.5);

Tailwind

colors: {
  custom: {
    50: '#93a0cf',
    500: '#617bbb',
    950: '#000000',
  },
}

SCSS

$custom: #617bbb;
$custom-light: #93a0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#617bbb",
  "rgb": {
    "r": 97,
    "g": 123,
    "b": 187
  },
  "hsl": {
    "h": 222.667,
    "s": 39.823,
    "l": 55.686
  },
  "oklch": {
    "l": 0.59046,
    "c": 0.10311,
    "h": 266.5
  },
  "luminance": 0.20295
}

Semantic roles & 50–950 ramp

primary

#617BBB

secondary

#CFC4A9

accent

#AD58D0

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #617BBB

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

Preview Lab → · Contrast checker → · Palette generator →