#1E5583#1E5583

#1E5583 is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.7% C 0.095 H 247.5°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#1E5583
RGB	rgb(30, 85, 131)
HSL	hsl(207, 63%, 32%)
HSV	hsv(207, 77%, 51%)
CMYK	cmyk(77.1%, 35.1%, 0%, 48.6%)
CIE-LAB	lab(34.82, -1.06, -30.92)
CIE-LCH	lch(34.82, 30.94, 268.04°)
OKLab	oklab(43.7% -0.0363 -0.0878)
OKLCH	oklch(43.7% 0.095 247.5)
XYZ	xyz(7.8791, 8.4108, 22.6765)
Luminance	0.0841 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E5583 #834C1E

analogous

#1E837F #1E5583 #1E2283

triadic

#1E5583 #831E55 #55831E

tetradic

#1E5583 #7F1E83 #834C1E #22831E

square

#1E5583 #7F1E83 #834C1E #22831E

split-complementary

#1E5583 #831E22 #837F1E

monochromatic

#07141F #133551 #1E5583 #2975B5 #4794D5

Accessibility & contrast

On white

7.83

#1E5583 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#1E5583 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E5583

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E5583	#FFFFFF	#000000	##FFFFFF
##1E5583	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405785

Deuteranopia (green-blind)

#314E82

Tritanopia (blue-blind)

#006066

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1e5583;
/* rgb */ color: rgb(30, 85, 131);
/* oklch */ color: oklch(43.7% 0.095 247.5);

Tailwind

colors: {
  custom: {
    50: '#6984a7',
    500: '#1e5583',
    950: '#000000',
  },
}

SCSS

$custom: #1e5583;
$custom-light: #6984a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1e5583",
  "rgb": {
    "r": 30,
    "g": 85,
    "b": 131
  },
  "hsl": {
    "h": 207.327,
    "s": 62.733,
    "l": 31.569
  },
  "oklch": {
    "l": 0.43697,
    "c": 0.09506,
    "h": 247.5
  },
  "luminance": 0.08412
}

Semantic roles & 50–950 ramp

primary

#1E5583

secondary

#B67947

accent

#8D42E6

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1E5583

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

Preview Lab → · Contrast checker → · Palette generator →