#2381B2#2381B2

#2381B2 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.3% C 0.113 H 237.0°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#2381B2
RGB	rgb(35, 129, 178)
HSL	hsl(201, 67%, 42%)
HSV	hsv(201, 80%, 70%)
CMYK	cmyk(80.3%, 27.5%, 0%, 30.2%)
CIE-LAB	lab(51.00, -9.45, -33.41)
CIE-LCH	lch(51.00, 34.72, 254.21°)
OKLab	oklab(57.31% -0.0612 -0.0944)
OKLCH	oklch(57.31% 0.113 237)
XYZ	xyz(16.5761, 19.2702, 44.9567)
Luminance	0.1927 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2381B2 #B25423

analogous

#23B29B #2381B2 #233AB2

triadic

#2381B2 #B22381 #81B223

tetradic

#2381B2 #9B23B2 #B25423 #3AB223

square

#2381B2 #9B23B2 #B25423 #3AB223

split-complementary

#2381B2 #B2233A #B29B23

monochromatic

#0F374C #195C7F #2381B2 #3AA2D8 #6DBAE2

Accessibility & contrast

On white

4.33

#2381B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#2381B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2381B2

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2381B2	#FFFFFF	#000000	##000000
##2381B2	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6981B4

Deuteranopia (green-blind)

#5674B1

Tritanopia (blue-blind)

#008E92

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #2381b2;
/* rgb */ color: rgb(35, 129, 178);
/* oklch */ color: oklch(57.3% 0.113 237.0);

Tailwind

colors: {
  custom: {
    50: '#75a5c9',
    500: '#2381b2',
    950: '#000000',
  },
}

SCSS

$custom: #2381b2;
$custom-light: #75a5c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2381b2",
  "rgb": {
    "r": 35,
    "g": 129,
    "b": 178
  },
  "hsl": {
    "h": 200.559,
    "s": 67.136,
    "l": 41.765
  },
  "oklch": {
    "l": 0.57309,
    "c": 0.11255,
    "h": 237
  },
  "luminance": 0.19272
}

Semantic roles & 50–950 ramp

primary

#2381B2

secondary

#C98968

accent

#793EEA

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #2381B2

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

Preview Lab → · Contrast checker → · Palette generator →