#1E277F#1E277F

#1E277F is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.1% C 0.146 H 271.1°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#1E277F
RGB	rgb(30, 39, 127)
HSL	hsl(234, 62%, 31%)
HSV	hsv(234, 76%, 50%)
CMYK	cmyk(76.4%, 69.3%, 0%, 50.2%)
CIE-LAB	lab(21.05, 28.76, -50.63)
CIE-LCH	lch(21.05, 58.23, 299.60°)
OKLab	oklab(33.11% 0.0027 -0.1464)
OKLCH	oklch(33.11% 0.146 271.1)
XYZ	xyz(5.0904, 3.2588, 20.4353)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E277F #7F761E

analogous

#1E577F #1E277F #451E7F

triadic

#1E277F #7F1E27 #277F1E

tetradic

#1E277F #7F1E57 #7F761E #1E7F45

square

#1E277F #7F1E57 #7F761E #1E7F45

split-complementary

#1E277F #7F451E #577F1E

monochromatic

#07091C #12184D #1E277F #2A36B1 #4452D3

Accessibility & contrast

On white

12.71

#1E277F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1E277F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E277F

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E277F	#FFFFFF	#000000	##FFFFFF
##1E277F	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003782

Deuteranopia (green-blind)

#002E7D

Tritanopia (blue-blind)

#003F4F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1e277f;
/* rgb */ color: rgb(30, 39, 127);
/* oklch */ color: oklch(33.1% 0.146 271.1);

Tailwind

colors: {
  custom: {
    50: '#6a61a5',
    500: '#1e277f',
    950: '#000000',
  },
}

SCSS

$custom: #1e277f;
$custom-light: #6a61a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1e277f",
  "rgb": {
    "r": 30,
    "g": 39,
    "b": 127
  },
  "hsl": {
    "h": 234.433,
    "s": 61.783,
    "l": 30.784
  },
  "oklch": {
    "l": 0.33108,
    "c": 0.14645,
    "h": 271.1
  },
  "luminance": 0.03259
}

Semantic roles & 50–950 ramp

primary

#1E277F

secondary

#B2A847

accent

#D643E5

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1E277F

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

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