#1E83A8#1E83A8

#1E83A8 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.2% C 0.103 H 228.5°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#1E83A8
RGB	rgb(30, 131, 168)
HSL	hsl(196, 70%, 39%)
HSV	hsv(196, 82%, 66%)
CMYK	cmyk(82.1%, 22%, 0%, 34.1%)
CIE-LAB	lab(51.08, -14.68, -27.52)
CIE-LCH	lch(51.08, 31.19, 241.92°)
OKLab	oklab(57.19% -0.0686 -0.0774)
OKLCH	oklch(57.19% 0.103 228.5)
XYZ	xyz(15.7167, 19.3338, 39.9416)
Luminance	0.1934 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E83A8 #A8431E

analogous

#1EA888 #1E83A8 #1E3EA8

triadic

#1E83A8 #A81E83 #83A81E

tetradic

#1E83A8 #881EA8 #A8431E #3EA81E

square

#1E83A8 #881EA8 #A8431E #3EA81E

split-complementary

#1E83A8 #A81E3E #A8881E

monochromatic

#0B3240 #155B74 #1E83A8 #2AAAD9 #5EBFE2

Accessibility & contrast

On white

4.31

#1E83A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#1E83A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1E83A8

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E83A8	#FFFFFF	#000000	##000000
##1E83A8	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7081AA

Deuteranopia (green-blind)

#5E74A7

Tritanopia (blue-blind)

#008D8F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #1e83a8;
/* rgb */ color: rgb(30, 131, 168);
/* oklch */ color: oklch(57.2% 0.103 228.5);

Tailwind

colors: {
  custom: {
    50: '#72a7c2',
    500: '#1e83a8',
    950: '#000000',
  },
}

SCSS

$custom: #1e83a8;
$custom-light: #72a7c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e83a8",
  "rgb": {
    "r": 30,
    "g": 131,
    "b": 168
  },
  "hsl": {
    "h": 196.087,
    "s": 69.697,
    "l": 38.824
  },
  "oklch": {
    "l": 0.57193,
    "c": 0.10345,
    "h": 228.5
  },
  "luminance": 0.19336
}

Semantic roles & 50–950 ramp

primary

#1E83A8

secondary

#C7785B

accent

#6B3BED

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1E83A8

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

Preview Lab → · Contrast checker → · Palette generator →