#3E91CB#3E91CB

#3E91CB is a light, moderate cyan. Relative luminance 0.256; OKLCH L 63.2% C 0.118 H 242.5°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#3E91CB
RGB	rgb(62, 145, 203)
HSL	hsl(205, 58%, 52%)
HSV	hsv(205, 69%, 80%)
CMYK	cmyk(69.5%, 28.6%, 0%, 20.4%)
CIE-LAB	lab(57.64, -6.35, -37.20)
CIE-LCH	lch(57.64, 37.74, 260.32°)
OKLab	oklab(63.15% -0.0547 -0.105)
OKLCH	oklch(63.15% 0.118 242.5)
XYZ	xyz(22.8874, 25.5842, 60.2204)
Luminance	0.2559 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E91CB #CB783E

analogous

#3ECBBF #3E91CB #3E4BCB

triadic

#3E91CB #CB3E91 #91CB3E

tetradic

#3E91CB #BF3ECB #CB783E #4BCB3E

square

#3E91CB #BF3ECB #CB783E #4BCB3E

split-complementary

#3E91CB #CB3E4B #CBBF3E

monochromatic

#1E4F70 #2B70A1 #3E91CB #6EACD8 #9EC8E5

Accessibility & contrast

On white

3.43

#3E91CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#3E91CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E91CB

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E91CB	#FFFFFF	#000000	##000000
##3E91CB	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7792CE

Deuteranopia (green-blind)

#6384CA

Tritanopia (blue-blind)

#009FA5

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3e91cb;
/* rgb */ color: rgb(62, 145, 203);
/* oklch */ color: oklch(63.2% 0.118 242.5);

Tailwind

colors: {
  custom: {
    50: '#83b1db',
    500: '#3e91cb',
    950: '#000000',
  },
}

SCSS

$custom: #3e91cb;
$custom-light: #83b1db;
$custom-dark: #000000;

JSON

{
  "hex": "#3e91cb",
  "rgb": {
    "r": 62,
    "g": 145,
    "b": 203
  },
  "hsl": {
    "h": 204.681,
    "s": 57.551,
    "l": 51.961
  },
  "oklch": {
    "l": 0.63152,
    "c": 0.11843,
    "h": 242.5
  },
  "luminance": 0.25587
}

Semantic roles & 50–950 ramp

primary

#3E91CB

secondary

#D1AD94

accent

#8647E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3E91CB

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

Preview Lab → · Contrast checker → · Palette generator →