#3981AC#3981AC

#3981AC is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.6% C 0.097 H 238.0°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#3981AC
RGB	rgb(57, 129, 172)
HSL	hsl(202, 50%, 45%)
HSV	hsv(202, 67%, 67%)
CMYK	cmyk(66.9%, 25%, 0%, 32.5%)
CIE-LAB	lab(51.32, -8.57, -29.40)
CIE-LCH	lch(51.32, 30.62, 253.75°)
OKLab	oklab(57.64% -0.0516 -0.0827)
OKLCH	oklch(57.64% 0.097 238)
XYZ	xyz(16.9811, 19.5471, 41.8998)
Luminance	0.1955 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3981AC #AC6439

analogous

#39AC9E #3981AC #3947AC

triadic

#3981AC #AC3981 #81AC39

tetradic

#3981AC #9E39AC #AC6439 #47AC39

square

#3981AC #9E39AC #AC6439 #47AC39

split-complementary

#3981AC #AC3947 #AC9E39

monochromatic

#1B3C50 #2A5F7E #3981AC #5A9FC8 #88BAD8

Accessibility & contrast

On white

4.28

#3981AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#3981AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3981AC

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3981AC	#FFFFFF	#000000	##000000
##3981AC	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D81AE

Deuteranopia (green-blind)

#5D75AB

Tritanopia (blue-blind)

#008C90

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3981ac;
/* rgb */ color: rgb(57, 129, 172);
/* oklch */ color: oklch(57.6% 0.097 238.0);

Tailwind

colors: {
  custom: {
    50: '#7ca5c5',
    500: '#3981ac',
    950: '#000000',
  },
}

SCSS

$custom: #3981ac;
$custom-light: #7ca5c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3981ac",
  "rgb": {
    "r": 57,
    "g": 129,
    "b": 172
  },
  "hsl": {
    "h": 202.435,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.57642,
    "c": 0.09745,
    "h": 238
  },
  "luminance": 0.19549
}

Semantic roles & 50–950 ramp

primary

#3981AC

secondary

#C2987F

accent

#824EDA

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3981AC

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

Preview Lab → · Contrast checker → · Palette generator →