#617FB3#617FB3

#617FB3 is a mid, moderate blue. Relative luminance 0.210; OKLCH L 59.5% C 0.087 H 261.1°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#617FB3
RGB	rgb(97, 127, 179)
HSL	hsl(218, 35%, 54%)
HSV	hsv(218, 46%, 70%)
CMYK	cmyk(45.8%, 29.1%, 0%, 29.8%)
CIE-LAB	lab(52.92, 3.53, -30.80)
CIE-LCH	lch(52.92, 31.01, 276.53°)
OKLab	oklab(59.51% -0.0136 -0.0862)
OKLCH	oklch(59.51% 0.087 261.1)
XYZ	xyz(20.6532, 20.9735, 45.5991)
Luminance	0.2097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#617FB3 #B39561

analogous

#61A8B3 #617FB3 #6C61B3

triadic

#617FB3 #B3617F #7FB361

tetradic

#617FB3 #B361A8 #B39561 #61B36C

square

#617FB3 #B361A8 #B39561 #61B36C

split-complementary

#617FB3 #B36C61 #A8B361

monochromatic

#324668 #466191 #617FB3 #8AA0C7 #B4C2DB

Accessibility & contrast

On white

4.04

#617FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#617FB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #617FB3

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##617FB3	#FFFFFF	#000000	##000000
##617FB3	1.00	4.04	5.19	5.19
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C83B5

Deuteranopia (green-blind)

#637BB2

Tritanopia (blue-blind)

#418A91

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #617fb3;
/* rgb */ color: rgb(97, 127, 179);
/* oklch */ color: oklch(59.5% 0.087 261.1);

Tailwind

colors: {
  custom: {
    50: '#92a3ca',
    500: '#617fb3',
    950: '#000000',
  },
}

SCSS

$custom: #617fb3;
$custom-light: #92a3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#617fb3",
  "rgb": {
    "r": 97,
    "g": 127,
    "b": 179
  },
  "hsl": {
    "h": 218.049,
    "s": 35.043,
    "l": 54.118
  },
  "oklch": {
    "l": 0.5951,
    "c": 0.08725,
    "h": 261.1
  },
  "luminance": 0.20975
}

Semantic roles & 50–950 ramp

primary

#617FB3

secondary

#C9BDA6

accent

#A35DCB

background

#F9FAFC

surface

#F1F3F8

border

#CBCDD1

text

#0D0F13

muted

#7E7F82

Preview Lab

Preview with #617FB3

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

Preview Lab → · Contrast checker → · Palette generator →