#1E277B#1E277B

#1E277B is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.7% C 0.141 H 271.2°. Best body text is #FFFFFF at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#1E277B
RGB	rgb(30, 39, 123)
HSL	hsl(234, 61%, 30%)
HSV	hsv(234, 76%, 48%)
CMYK	cmyk(75.6%, 68.3%, 0%, 51.8%)
CIE-LAB	lab(20.66, 27.24, -48.73)
CIE-LCH	lch(20.66, 55.83, 299.21°)
OKLab	oklab(32.7% 0.0031 -0.1409)
OKLCH	oklch(32.7% 0.141 271.2)
XYZ	xyz(4.8349, 3.1566, 19.0895)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E277B #7B721E

analogous

#1E557B #1E277B #441E7B

triadic

#1E277B #7B1E27 #277B1E

tetradic

#1E277B #7B1E55 #7B721E #1E7B44

square

#1E277B #7B1E55 #7B721E #1E7B44

split-complementary

#1E277B #7B441E #557B1E

monochromatic

#060819 #12174A #1E277B #2A37AC #4250D1

Accessibility & contrast

On white

12.87

#1E277B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1E277B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E277B

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E277B	#FFFFFF	#000000	##FFFFFF
##1E277B	1.00	12.87	1.63	12.87
#FFFFFF	12.87	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367E

Deuteranopia (green-blind)

#002D79

Tritanopia (blue-blind)

#003D4D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1e277b;
/* rgb */ color: rgb(30, 39, 123);
/* oklch */ color: oklch(32.7% 0.141 271.2);

Tailwind

colors: {
  custom: {
    50: '#6961a2',
    500: '#1e277b',
    950: '#000000',
  },
}

SCSS

$custom: #1e277b;
$custom-light: #6961a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e277b",
  "rgb": {
    "r": 30,
    "g": 39,
    "b": 123
  },
  "hsl": {
    "h": 234.194,
    "s": 60.784,
    "l": 30
  },
  "oklch": {
    "l": 0.32703,
    "c": 0.14091,
    "h": 271.2
  },
  "luminance": 0.03157
}

Semantic roles & 50–950 ramp

primary

#1E277B

secondary

#AEA446

accent

#D444E4

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1E277B

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

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