#3874B1#3874B1

#3874B1 is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.8% C 0.114 H 251.0°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#3874B1
RGB	rgb(56, 116, 177)
HSL	hsl(210, 52%, 46%)
HSV	hsv(210, 68%, 69%)
CMYK	cmyk(68.4%, 34.5%, 0%, 30.6%)
CIE-LAB	lab(47.63, 0.71, -38.09)
CIE-LCH	lch(47.63, 38.10, 271.07°)
OKLab	oklab(54.8% -0.0372 -0.108)
OKLCH	oklch(54.8% 0.114 251)
XYZ	xyz(15.8091, 16.5042, 43.9389)
Luminance	0.1651 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3874B1 #B17538

analogous

#38B0B1 #3874B1 #3938B1

triadic

#3874B1 #B13874 #74B138

tetradic

#3874B1 #B138B0 #B17538 #38B139

square

#3874B1 #B138B0 #B17538 #38B139

split-complementary

#3874B1 #B13938 #B0B138

monochromatic

#1B3754 #295683 #3874B1 #5B93CB #8AB1DA

Accessibility & contrast

On white

4.88

#3874B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#3874B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3874B1

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3874B1	#FFFFFF	#000000	##FFFFFF
##3874B1	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5977B4

Deuteranopia (green-blind)

#486CB0

Tritanopia (blue-blind)

#00828A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3874b1;
/* rgb */ color: rgb(56, 116, 177);
/* oklch */ color: oklch(54.8% 0.114 251.0);

Tailwind

colors: {
  custom: {
    50: '#7c9bc8',
    500: '#3874b1',
    950: '#000000',
  },
}

SCSS

$custom: #3874b1;
$custom-light: #7c9bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3874b1",
  "rgb": {
    "r": 56,
    "g": 116,
    "b": 177
  },
  "hsl": {
    "h": 210.248,
    "s": 51.931,
    "l": 45.686
  },
  "oklch": {
    "l": 0.54797,
    "c": 0.11425,
    "h": 251
  },
  "luminance": 0.16506
}

Semantic roles & 50–950 ramp

primary

#3874B1

secondary

#C4A381

accent

#944CDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3874B1

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

Preview Lab → · Contrast checker → · Palette generator →