#1983B4#1983B4

#1983B4 is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 57.7% C 0.116 H 235.4°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#1983B4
RGB	rgb(25, 131, 180)
HSL	hsl(199, 76%, 40%)
HSV	hsv(199, 86%, 71%)
CMYK	cmyk(86.1%, 27.2%, 0%, 29.4%)
CIE-LAB	lab(51.53, -10.75, -33.74)
CIE-LCH	lch(51.53, 35.41, 252.32°)
OKLab	oklab(57.71% -0.0659 -0.0954)
OKLCH	oklch(57.71% 0.116 235.4)
XYZ	xyz(16.7521, 19.7324, 46.0970)
Luminance	0.1973 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1983B4 #B44A19

analogous

#19B498 #1983B4 #1935B4

triadic

#1983B4 #B41983 #83B419

tetradic

#1983B4 #9819B4 #B44A19 #35B419

square

#1983B4 #9819B4 #B44A19 #35B419

split-complementary

#1983B4 #B41935 #B49819

monochromatic

#0A3549 #125C7E #1983B4 #29A7E1 #5FBDE9

Accessibility & contrast

On white

4.24

#1983B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#1983B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1983B4

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1983B4	#FFFFFF	#000000	##000000
##1983B4	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B82B6

Deuteranopia (green-blind)

#5775B3

Tritanopia (blue-blind)

#009094

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #1983b4;
/* rgb */ color: rgb(25, 131, 180);
/* oklch */ color: oklch(57.7% 0.116 235.4);

Tailwind

colors: {
  custom: {
    50: '#73a7ca',
    500: '#1983b4',
    950: '#000000',
  },
}

SCSS

$custom: #1983b4;
$custom-light: #73a7ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1983b4",
  "rgb": {
    "r": 25,
    "g": 131,
    "b": 180
  },
  "hsl": {
    "h": 198.968,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.57713,
    "c": 0.116,
    "h": 235.4
  },
  "luminance": 0.19735
}

Semantic roles & 50–950 ramp

primary

#1983B4

secondary

#CD805C

accent

#7136F2

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #1983B4

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

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