#1E83A0#1E83A0

#1E83A0 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 56.8% C 0.097 H 222.5°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#1E83A0
RGB	rgb(30, 131, 160)
HSL	hsl(193, 68%, 37%)
HSV	hsv(193, 81%, 63%)
CMYK	cmyk(81.3%, 18.1%, 0%, 37.3%)
CIE-LAB	lab(50.74, -17.50, -23.40)
CIE-LCH	lch(50.74, 29.22, 233.21°)
OKLab	oklab(56.81% -0.0717 -0.0656)
OKLCH	oklch(56.81% 0.097 222.5)
XYZ	xyz(14.9942, 19.0448, 36.1366)
Luminance	0.1905 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E83A0 #A03B1E

analogous

#1EA07C #1E83A0 #1E42A0

triadic

#1E83A0 #A01E83 #83A01E

tetradic

#1E83A0 #7C1EA0 #A03B1E #42A01E

square

#1E83A0 #7C1EA0 #A03B1E #42A01E

split-complementary

#1E83A0 #A01E42 #A07C1E

monochromatic

#0B2F39 #14596C #1E83A0 #28ADD4 #59C2E0

Accessibility & contrast

On white

4.37

#1E83A0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#1E83A0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1E83A0

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E83A0	#FFFFFF	#000000	##000000
##1E83A0	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7280A1

Deuteranopia (green-blind)

#6173A0

Tritanopia (blue-blind)

#008C8C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1e83a0;
/* rgb */ color: rgb(30, 131, 160);
/* oklch */ color: oklch(56.8% 0.097 222.5);

Tailwind

colors: {
  custom: {
    50: '#71a7bc',
    500: '#1e83a0',
    950: '#000000',
  },
}

SCSS

$custom: #1e83a0;
$custom-light: #71a7bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1e83a0",
  "rgb": {
    "r": 30,
    "g": 131,
    "b": 160
  },
  "hsl": {
    "h": 193.385,
    "s": 68.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.56813,
    "c": 0.09718,
    "h": 222.5
  },
  "luminance": 0.19047
}

Semantic roles & 50–950 ramp

primary

#1E83A0

secondary

#C46F56

accent

#643DEB

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1E83A0

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

Preview Lab → · Contrast checker → · Palette generator →