#737BBB#737BBB

#737BBB is a mid, moderate blue. Relative luminance 0.214; OKLCH L 60.3% C 0.098 H 277.6°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#737BBB
RGB	rgb(115, 123, 187)
HSL	hsl(233, 35%, 59%)
HSV	hsv(233, 39%, 73%)
CMYK	cmyk(38.5%, 34.2%, 0%, 26.7%)
CIE-LAB	lab(53.38, 13.06, -34.59)
CIE-LCH	lch(53.38, 36.97, 290.68°)
OKLab	oklab(60.3% 0.0129 -0.0968)
OKLCH	oklch(60.3% 0.098 277.6)
XYZ	xyz(23.1202, 21.3977, 49.9160)
Luminance	0.2140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#737BBB #BBB373

analogous

#739FBB #737BBB #8F73BB

triadic

#737BBB #BB737B #7BBB73

tetradic

#737BBB #BB739F #BBB373 #73BB8F

square

#737BBB #BB739F #BBB373 #73BB8F

split-complementary

#737BBB #BB8F73 #9FBB73

monochromatic

#3B4279 #4F58A2 #737BBB #9CA2CF #C5C9E3

Accessibility & contrast

On white

3.98

#737BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#737BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #737BBB

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##737BBB	#FFFFFF	#000000	##000000
##737BBB	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6682BE

Deuteranopia (green-blind)

#617DB9

Tritanopia (blue-blind)

#5E8892

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #737bbb;
/* rgb */ color: rgb(115, 123, 187);
/* oklch */ color: oklch(60.3% 0.098 277.6);

Tailwind

colors: {
  custom: {
    50: '#9ea1cf',
    500: '#737bbb',
    950: '#000000',
  },
}

SCSS

$custom: #737bbb;
$custom-light: #9ea1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#737bbb",
  "rgb": {
    "r": 115,
    "g": 123,
    "b": 187
  },
  "hsl": {
    "h": 233.333,
    "s": 34.615,
    "l": 59.216
  },
  "oklch": {
    "l": 0.60297,
    "c": 0.09767,
    "h": 277.6
  },
  "luminance": 0.21399
}

Semantic roles & 50–950 ramp

primary

#737BBB

secondary

#D3D0B7

accent

#BF5DCB

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0F0E14

muted

#7E7E82

Preview Lab

Preview with #737BBB

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

Preview Lab → · Contrast checker → · Palette generator →