#1981B4#1981B4

#1981B4 is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.2% C 0.117 H 236.9°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#1981B4
RGB	rgb(25, 129, 180)
HSL	hsl(200, 76%, 40%)
HSV	hsv(200, 86%, 71%)
CMYK	cmyk(86.1%, 28.3%, 0%, 29.4%)
CIE-LAB	lab(50.92, -9.61, -34.70)
CIE-LCH	lch(50.92, 36.00, 254.52°)
OKLab	oklab(57.23% -0.0641 -0.0982)
OKLCH	oklch(57.23% 0.117 236.9)
XYZ	xyz(16.4861, 19.2004, 46.0083)
Luminance	0.1920 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1981B4 #B44C19

analogous

#19B49A #1981B4 #1933B4

triadic

#1981B4 #B41981 #81B419

tetradic

#1981B4 #9A19B4 #B44C19 #33B419

square

#1981B4 #9A19B4 #B44C19 #33B419

split-complementary

#1981B4 #B41933 #B49A19

monochromatic

#0A3449 #125A7E #1981B4 #29A5E1 #5FBBE9

Accessibility & contrast

On white

4.34

#1981B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#1981B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1981B4

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1981B4	#FFFFFF	#000000	##000000
##1981B4	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6881B6

Deuteranopia (green-blind)

#5473B3

Tritanopia (blue-blind)

#008E93

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1981b4;
/* rgb */ color: rgb(25, 129, 180);
/* oklch */ color: oklch(57.2% 0.117 236.9);

Tailwind

colors: {
  custom: {
    50: '#73a5ca',
    500: '#1981b4',
    950: '#000000',
  },
}

SCSS

$custom: #1981b4;
$custom-light: #73a5ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1981b4",
  "rgb": {
    "r": 25,
    "g": 129,
    "b": 180
  },
  "hsl": {
    "h": 199.742,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.57225,
    "c": 0.11733,
    "h": 236.9
  },
  "luminance": 0.19202
}

Semantic roles & 50–950 ramp

primary

#1981B4

secondary

#CD815C

accent

#7436F2

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #1981B4

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

Preview Lab → · Contrast checker → · Palette generator →