#737FBB#737FBB

#737FBB is a mid, moderate blue. Relative luminance 0.224; OKLCH L 61.1% C 0.092 H 274.7°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#737FBB
RGB	rgb(115, 127, 187)
HSL	hsl(230, 35%, 59%)
HSV	hsv(230, 39%, 73%)
CMYK	cmyk(38.5%, 32.1%, 0%, 26.7%)
CIE-LAB	lab(54.46, 10.68, -32.91)
CIE-LCH	lch(54.46, 34.59, 287.98°)
OKLab	oklab(61.13% 0.0076 -0.0919)
OKLCH	oklch(61.13% 0.092 274.7)
XYZ	xyz(23.6266, 22.4104, 50.0848)
Luminance	0.2241 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#737FBB #BBAF73

analogous

#73A3BB #737FBB #8B73BB

triadic

#737FBB #BB737F #7FBB73

tetradic

#737FBB #BB73A3 #BBAF73 #73BB8B

square

#737FBB #BB73A3 #BBAF73 #73BB8B

split-complementary

#737FBB #BB8B73 #A3BB73

monochromatic

#3B4579 #4F5DA2 #737FBB #9CA5CF #C5CAE3

Accessibility & contrast

On white

3.83

#737FBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#737FBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #737FBB

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##737FBB	#FFFFFF	#000000	##000000
##737FBB	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B85BE

Deuteranopia (green-blind)

#6680BA

Tritanopia (blue-blind)

#5D8B95

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #737fbb;
/* rgb */ color: rgb(115, 127, 187);
/* oklch */ color: oklch(61.1% 0.092 274.7);

Tailwind

colors: {
  custom: {
    50: '#9ea4cf',
    500: '#737fbb',
    950: '#000000',
  },
}

SCSS

$custom: #737fbb;
$custom-light: #9ea4cf;
$custom-dark: #000000;

JSON

{
  "hex": "#737fbb",
  "rgb": {
    "r": 115,
    "g": 127,
    "b": 187
  },
  "hsl": {
    "h": 230,
    "s": 34.615,
    "l": 59.216
  },
  "oklch": {
    "l": 0.6113,
    "c": 0.09225,
    "h": 274.7
  },
  "luminance": 0.22411
}

Semantic roles & 50–950 ramp

primary

#737FBB

secondary

#D3CEB7

accent

#B85DCB

background

#F9FAFC

surface

#F2F3F9

border

#CCCDD2

text

#0F0F14

muted

#7E7F82

Preview Lab

Preview with #737FBB

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

Preview Lab → · Contrast checker → · Palette generator →