#1E283C#1E283C

#1E283C is a dark, muted blue. Relative luminance 0.021; OKLCH L 27.7% C 0.040 H 263.6°. Best body text is #FFFFFF at 14.75:1 contrast (WCAG AA passes).

Color values

HEX	#1E283C
RGB	rgb(30, 40, 60)
HSL	hsl(220, 33%, 18%)
HSV	hsv(220, 50%, 24%)
CMYK	cmyk(50%, 33.3%, 0%, 76.5%)
CIE-LAB	lab(16.10, 2.14, -14.16)
CIE-LCH	lch(16.10, 14.33, 278.59°)
OKLab	oklab(27.74% -0.0044 -0.0396)
OKLCH	oklch(27.74% 0.04 263.6)
XYZ	xyz(2.1096, 2.1197, 4.5721)
Luminance	0.0212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E283C #3C321E

analogous

#1E373C #1E283C #231E3C

triadic

#1E283C #3C1E28 #283C1E

tetradic

#1E283C #3C1E37 #3C321E #1E3C23

square

#1E283C #3C1E37 #3C321E #1E3C23

split-complementary

#1E283C #3C231E #373C1E

monochromatic

#0A0E14 #0A0E14 #1E283C #324365 #475E8E

Accessibility & contrast

On white

14.75

#1E283C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#1E283C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E283C

14.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E283C	#FFFFFF	#000000	##FFFFFF
##1E283C	1.00	14.75	1.42	14.75
#FFFFFF	14.75	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21293D

Deuteranopia (green-blind)

#1E273C

Tritanopia (blue-blind)

#132C2F

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1e283c;
/* rgb */ color: rgb(30, 40, 60);
/* oklch */ color: oklch(27.7% 0.040 263.6);

Tailwind

colors: {
  custom: {
    50: '#5b6171',
    500: '#1e283c',
    950: '#000000',
  },
}

SCSS

$custom: #1e283c;
$custom-light: #5b6171;
$custom-dark: #000000;

JSON

{
  "hex": "#1e283c",
  "rgb": {
    "r": 30,
    "g": 40,
    "b": 60
  },
  "hsl": {
    "h": 220,
    "s": 33.333,
    "l": 17.647
  },
  "oklch": {
    "l": 0.27741,
    "c": 0.03984,
    "h": 263.6
  },
  "luminance": 0.0212
}

Semantic roles & 50–950 ramp

primary

#1E283C

secondary

#706246

accent

#A65EC9

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#040507

muted

#79797A

Preview Lab

Preview with #1E283C

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

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