#1E277C#1E277C

#1E277C is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.8% C 0.142 H 271.2°. Best body text is #FFFFFF at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#1E277C
RGB	rgb(30, 39, 124)
HSL	hsl(234, 61%, 30%)
HSV	hsv(234, 76%, 49%)
CMYK	cmyk(75.8%, 68.5%, 0%, 51.4%)
CIE-LAB	lab(20.76, 27.62, -49.21)
CIE-LCH	lch(20.76, 56.43, 299.31°)
OKLab	oklab(32.8% 0.003 -0.1423)
OKLCH	oklch(32.8% 0.142 271.2)
XYZ	xyz(4.8978, 3.1818, 19.4209)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E277C #7C731E

analogous

#1E567C #1E277C #441E7C

triadic

#1E277C #7C1E27 #277C1E

tetradic

#1E277C #7C1E56 #7C731E #1E7C44

square

#1E277C #7C1E56 #7C731E #1E7C44

split-complementary

#1E277C #7C441E #567C1E

monochromatic

#060819 #12184B #1E277C #2A36AD #4351D1

Accessibility & contrast

On white

12.83

#1E277C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1E277C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E277C

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E277C	#FFFFFF	#000000	##FFFFFF
##1E277C	1.00	12.83	1.64	12.83
#FFFFFF	12.83	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367F

Deuteranopia (green-blind)

#002E7A

Tritanopia (blue-blind)

#003E4E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1e277c;
/* rgb */ color: rgb(30, 39, 124);
/* oklch */ color: oklch(32.8% 0.142 271.2);

Tailwind

colors: {
  custom: {
    50: '#6961a3',
    500: '#1e277c',
    950: '#000000',
  },
}

SCSS

$custom: #1e277c;
$custom-light: #6961a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1e277c",
  "rgb": {
    "r": 30,
    "g": 39,
    "b": 124
  },
  "hsl": {
    "h": 234.255,
    "s": 61.039,
    "l": 30.196
  },
  "oklch": {
    "l": 0.32804,
    "c": 0.1423,
    "h": 271.2
  },
  "luminance": 0.03182
}

Semantic roles & 50–950 ramp

primary

#1E277C

secondary

#AFA546

accent

#D544E4

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1E277C

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

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