#1E283F#1E283F

#1E283F is a dark, muted blue. Relative luminance 0.022; OKLCH L 27.9% C 0.045 H 265.7°. Best body text is #FFFFFF at 14.68:1 contrast (WCAG AA passes).

Color values

HEX	#1E283F
RGB	rgb(30, 40, 63)
HSL	hsl(222, 35%, 18%)
HSV	hsv(222, 52%, 25%)
CMYK	cmyk(52.4%, 36.5%, 0%, 75.3%)
CIE-LAB	lab(16.27, 3.22, -15.99)
CIE-LCH	lch(16.27, 16.31, 281.38°)
OKLab	oklab(27.92% -0.0034 -0.0449)
OKLCH	oklch(27.92% 0.045 265.7)
XYZ	xyz(2.1911, 2.1524, 5.0017)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E283F #3F351E

analogous

#1E383F #1E283F #241E3F

triadic

#1E283F #3F1E28 #283F1E

tetradic

#1E283F #3F1E38 #3F351E #1E3F24

square

#1E283F #3F1E38 #3F351E #1E3F24

split-complementary

#1E283F #3F241E #383F1E

monochromatic

#0A0D15 #0A0E16 #1E283F #324268 #455D92

Accessibility & contrast

On white

14.68

#1E283F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#1E283F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E283F

14.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E283F	#FFFFFF	#000000	##FFFFFF
##1E283F	1.00	14.68	1.43	14.68
#FFFFFF	14.68	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#202A40

Deuteranopia (green-blind)

#1C273E

Tritanopia (blue-blind)

#112D30

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1e283f;
/* rgb */ color: rgb(30, 40, 63);
/* oklch */ color: oklch(27.9% 0.045 265.7);

Tailwind

colors: {
  custom: {
    50: '#5c6174',
    500: '#1e283f',
    950: '#000000',
  },
}

SCSS

$custom: #1e283f;
$custom-light: #5c6174;
$custom-dark: #000000;

JSON

{
  "hex": "#1e283f",
  "rgb": {
    "r": 30,
    "g": 40,
    "b": 63
  },
  "hsl": {
    "h": 221.818,
    "s": 35.484,
    "l": 18.235
  },
  "oklch": {
    "l": 0.27922,
    "c": 0.04501,
    "h": 265.7
  },
  "luminance": 0.02152
}

Semantic roles & 50–950 ramp

primary

#1E283F

secondary

#736545

accent

#AA5CCC

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040508

muted

#79797B

Preview Lab

Preview with #1E283F

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

Preview Lab → · Contrast checker → · Palette generator →