#1E3640#1E3640

#1E3640 is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.8% C 0.035 H 226.5°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#1E3640
RGB	rgb(30, 54, 64)
HSL	hsl(198, 36%, 18%)
HSV	hsv(198, 53%, 25%)
CMYK	cmyk(53.1%, 15.6%, 0%, 74.9%)
CIE-LAB	lab(21.15, -6.07, -9.15)
CIE-LCH	lch(21.15, 10.98, 236.41°)
OKLab	oklab(31.78% -0.024 -0.0253)
OKLCH	oklch(31.78% 0.035 226.5)
XYZ	xyz(2.7797, 3.2843, 5.3370)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3640 #40281E

analogous

#1E4039 #1E3640 #1E2540

triadic

#1E3640 #401E36 #36401E

tetradic

#1E3640 #391E40 #40281E #25401E

square

#1E3640 #391E40 #40281E #25401E

split-complementary

#1E3640 #401E25 #40391E

monochromatic

#0A1215 #0A1316 #1E3640 #32596A #457C93

Accessibility & contrast

On white

12.67

#1E3640 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1E3640 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3640

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3640	#FFFFFF	#000000	##FFFFFF
##1E3640	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313541

Deuteranopia (green-blind)

#2C3140

Tritanopia (blue-blind)

#0E3939

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1e3640;
/* rgb */ color: rgb(30, 54, 64);
/* oklch */ color: oklch(31.8% 0.035 226.5);

Tailwind

colors: {
  custom: {
    50: '#5c6d74',
    500: '#1e3640',
    950: '#000000',
  },
}

SCSS

$custom: #1e3640;
$custom-light: #5c6d74;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3640",
  "rgb": {
    "r": 30,
    "g": 54,
    "b": 64
  },
  "hsl": {
    "h": 197.647,
    "s": 36.17,
    "l": 18.431
  },
  "oklch": {
    "l": 0.3178,
    "c": 0.03484,
    "h": 226.5
  },
  "luminance": 0.03285
}

Semantic roles & 50–950 ramp

primary

#1E3640

secondary

#745345

accent

#7D5CCC

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040708

muted

#797A7B

Preview Lab

Preview with #1E3640

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

Preview Lab → · Contrast checker → · Palette generator →