#1E5B71#1E5B71

#1E5B71 is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.3% C 0.071 H 225.9°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#1E5B71
RGB	rgb(30, 91, 113)
HSL	hsl(196, 58%, 28%)
HSV	hsv(196, 73%, 44%)
CMYK	cmyk(73.5%, 19.5%, 0%, 55.7%)
CIE-LAB	lab(35.89, -11.54, -18.16)
CIE-LCH	lch(35.89, 21.52, 237.55°)
OKLab	oklab(44.25% -0.0492 -0.0508)
OKLCH	oklch(44.25% 0.071 225.9)
XYZ	xyz(7.2559, 8.9496, 16.9646)
Luminance	0.0895 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E5B71 #71341E

analogous

#1E715D #1E5B71 #1E3171

triadic

#1E5B71 #711E5B #5B711E

tetradic

#1E5B71 #5D1E71 #71341E #31711E

square

#1E5B71 #5D1E71 #71341E #31711E

split-complementary

#1E5B71 #711E31 #715D1E

monochromatic

#061318 #113441 #1E5B71 #2B82A1 #3EA6CC

Accessibility & contrast

On white

7.53

#1E5B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#1E5B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E5B71

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E5B71	#FFFFFF	#000000	##FFFFFF
##1E5B71	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5972

Deuteranopia (green-blind)

#445171

Tritanopia (blue-blind)

#006162

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1e5b71;
/* rgb */ color: rgb(30, 91, 113);
/* oklch */ color: oklch(44.3% 0.071 225.9);

Tailwind

colors: {
  custom: {
    50: '#66899a',
    500: '#1e5b71',
    950: '#000000',
  },
}

SCSS

$custom: #1e5b71;
$custom-light: #66899a;
$custom-dark: #000000;

JSON

{
  "hex": "#1e5b71",
  "rgb": {
    "r": 30,
    "g": 91,
    "b": 113
  },
  "hsl": {
    "h": 195.904,
    "s": 58.042,
    "l": 28.039
  },
  "oklch": {
    "l": 0.4425,
    "c": 0.07073,
    "h": 225.9
  },
  "luminance": 0.0895
}

Semantic roles & 50–950 ramp

primary

#1E5B71

secondary

#A55F46

accent

#7047E1

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #1E5B71

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

Preview Lab → · Contrast checker → · Palette generator →