#1E5181#1E5181

#1E5181 is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.6% C 0.096 H 250.1°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#1E5181
RGB	rgb(30, 81, 129)
HSL	hsl(209, 62%, 31%)
HSV	hsv(209, 77%, 51%)
CMYK	cmyk(76.7%, 37.2%, 0%, 49.4%)
CIE-LAB	lab(33.45, 0.74, -31.87)
CIE-LCH	lch(33.45, 31.88, 271.34°)
OKLab	oklab(42.58% -0.0329 -0.0907)
OKLCH	oklch(42.58% 0.096 250.1)
XYZ	xyz(7.4388, 7.7450, 21.8675)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E5181 #814E1E

analogous

#1E817F #1E5181 #1E1F81

triadic

#1E5181 #811E51 #51811E

tetradic

#1E5181 #7F1E81 #814E1E #1F811E

square

#1E5181 #7F1E81 #814E1E #1F811E

split-complementary

#1E5181 #811E1F #817F1E

monochromatic

#07131E #12324F #1E5181 #2A70B3 #468FD4

Accessibility & contrast

On white

8.24

#1E5181 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#1E5181 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E5181

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E5181	#FFFFFF	#000000	##FFFFFF
##1E5181	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B5483

Deuteranopia (green-blind)

#2C4A80

Tritanopia (blue-blind)

#005C63

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1e5181;
/* rgb */ color: rgb(30, 81, 129);
/* oklch */ color: oklch(42.6% 0.096 250.1);

Tailwind

colors: {
  custom: {
    50: '#6881a6',
    500: '#1e5181',
    950: '#000000',
  },
}

SCSS

$custom: #1e5181;
$custom-light: #6881a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1e5181",
  "rgb": {
    "r": 30,
    "g": 81,
    "b": 129
  },
  "hsl": {
    "h": 209.091,
    "s": 62.264,
    "l": 31.176
  },
  "oklch": {
    "l": 0.42578,
    "c": 0.09647,
    "h": 250.1
  },
  "luminance": 0.07746
}

Semantic roles & 50–950 ramp

primary

#1E5181

secondary

#B47C47

accent

#9142E5

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1E5181

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

Preview Lab → · Contrast checker → · Palette generator →