#3891CA#3891CA

#3891CA is a light, moderate cyan. Relative luminance 0.254; OKLCH L 62.9% C 0.120 H 240.8°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#3891CA
RGB	rgb(56, 145, 202)
HSL	hsl(203, 58%, 51%)
HSV	hsv(203, 72%, 79%)
CMYK	cmyk(72.3%, 28.2%, 0%, 20.8%)
CIE-LAB	lab(57.42, -7.55, -37.00)
CIE-LCH	lch(57.42, 37.76, 258.46°)
OKLab	oklab(62.91% -0.0584 -0.1045)
OKLCH	oklch(62.91% 0.12 240.8)
XYZ	xyz(22.4128, 25.3533, 59.5781)
Luminance	0.2536 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3891CA #CA7138

analogous

#38CABA #3891CA #3848CA

triadic

#3891CA #CA3891 #91CA38

tetradic

#3891CA #BA38CA #CA7138 #48CA38

square

#3891CA #BA38CA #CA7138 #48CA38

split-complementary

#3891CA #CA3848 #CABA38

monochromatic

#1D4C6B #296F9B #3891CA #68ACD7 #99C6E4

Accessibility & contrast

On white

3.46

#3891CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#3891CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3891CA

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3891CA	#FFFFFF	#000000	##000000
##3891CA	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7792CD

Deuteranopia (green-blind)

#6384C9

Tritanopia (blue-blind)

#009FA5

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #3891ca;
/* rgb */ color: rgb(56, 145, 202);
/* oklch */ color: oklch(62.9% 0.120 240.8);

Tailwind

colors: {
  custom: {
    50: '#81b1da',
    500: '#3891ca',
    950: '#000000',
  },
}

SCSS

$custom: #3891ca;
$custom-light: #81b1da;
$custom-dark: #000000;

JSON

{
  "hex": "#3891ca",
  "rgb": {
    "r": 56,
    "g": 145,
    "b": 202
  },
  "hsl": {
    "h": 203.425,
    "s": 57.937,
    "l": 50.588
  },
  "oklch": {
    "l": 0.62911,
    "c": 0.11975,
    "h": 240.8
  },
  "luminance": 0.25356
}

Semantic roles & 50–950 ramp

primary

#3891CA

secondary

#CFA88E

accent

#8347E1

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3891CA

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

Preview Lab → · Contrast checker → · Palette generator →