#3E91B3#3E91B3

#3E91B3 is a mid, moderate cyan. Relative luminance 0.245; OKLCH L 62.0% C 0.094 H 228.2°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#3E91B3
RGB	rgb(62, 145, 179)
HSL	hsl(197, 49%, 47%)
HSV	hsv(197, 65%, 70%)
CMYK	cmyk(65.4%, 19%, 0%, 29.8%)
CIE-LAB	lab(56.61, -14.38, -25.21)
CIE-LCH	lch(56.61, 29.02, 240.31°)
OKLab	oklab(62% -0.0629 -0.0705)
OKLCH	oklch(62% 0.094 228.2)
XYZ	xyz(20.2455, 24.5275, 46.3064)
Luminance	0.2453 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E91B3 #B3603E

analogous

#3EB39B #3E91B3 #3E56B3

triadic

#3E91B3 #B33E91 #91B33E

tetradic

#3E91B3 #9B3EB3 #B3603E #56B33E

square

#3E91B3 #9B3EB3 #B3603E #56B33E

split-complementary

#3E91B3 #B33E56 #B39B3E

monochromatic

#1F4758 #2E6C86 #3E91B3 #65ACCA #92C5D9

Accessibility & contrast

On white

3.56

#3E91B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#3E91B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E91B3

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E91B3	#FFFFFF	#000000	##000000
##3E91B3	1.00	3.56	5.91	5.91
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8FB5

Deuteranopia (green-blind)

#6F83B3

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3e91b3;
/* rgb */ color: rgb(62, 145, 179);
/* oklch */ color: oklch(62.0% 0.094 228.2);

Tailwind

colors: {
  custom: {
    50: '#80b1c9',
    500: '#3e91b3',
    950: '#000000',
  },
}

SCSS

$custom: #3e91b3;
$custom-light: #80b1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3e91b3",
  "rgb": {
    "r": 62,
    "g": 145,
    "b": 179
  },
  "hsl": {
    "h": 197.436,
    "s": 48.548,
    "l": 47.255
  },
  "oklch": {
    "l": 0.61996,
    "c": 0.09449,
    "h": 228.2
  },
  "luminance": 0.2453
}

Semantic roles & 50–950 ramp

primary

#3E91B3

secondary

#C59A88

accent

#7750D8

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3E91B3

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

Preview Lab → · Contrast checker → · Palette generator →