#3E91BB#3E91BB

#3E91BB is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.4% C 0.102 H 233.8°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#3E91BB
RGB	rgb(62, 145, 187)
HSL	hsl(200, 50%, 49%)
HSV	hsv(200, 67%, 73%)
CMYK	cmyk(66.8%, 22.5%, 0%, 26.7%)
CIE-LAB	lab(56.94, -11.75, -29.25)
CIE-LCH	lch(56.94, 31.52, 248.12°)
OKLab	oklab(62.37% -0.06 -0.0821)
OKLCH	oklch(62.37% 0.102 233.8)
XYZ	xyz(21.0781, 24.8605, 50.6918)
Luminance	0.2486 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E91BB #BB683E

analogous

#3EBBA7 #3E91BB #3E53BB

triadic

#3E91BB #BB3E91 #91BB3E

tetradic

#3E91BB #A73EBB #BB683E #53BB3E

square

#3E91BB #A73EBB #BB683E #53BB3E

split-complementary

#3E91BB #BB3E53 #BBA73E

monochromatic

#204A5F #2F6D8D #3E91BB #69ACCD #97C5DC

Accessibility & contrast

On white

3.52

#3E91BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.97

#3E91BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E91BB

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E91BB	#FFFFFF	#000000	##000000
##3E91BB	1.00	3.52	5.97	5.97
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.97	21.00	1.00	1.00
##000000	5.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D90BD

Deuteranopia (green-blind)

#6B83BA

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3e91bb;
/* rgb */ color: rgb(62, 145, 187);
/* oklch */ color: oklch(62.4% 0.102 233.8);

Tailwind

colors: {
  custom: {
    50: '#81b1cf',
    500: '#3e91bb',
    950: '#000000',
  },
}

SCSS

$custom: #3e91bb;
$custom-light: #81b1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3e91bb",
  "rgb": {
    "r": 62,
    "g": 145,
    "b": 187
  },
  "hsl": {
    "h": 200.16,
    "s": 50.201,
    "l": 48.824
  },
  "oklch": {
    "l": 0.62365,
    "c": 0.10168,
    "h": 233.8
  },
  "luminance": 0.24863
}

Semantic roles & 50–950 ramp

primary

#3E91BB

secondary

#C8A18D

accent

#7D4EDA

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3E91BB

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

Preview Lab → · Contrast checker → · Palette generator →