#1E287F#1E287F

#1E287F is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.3% C 0.145 H 270.8°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#1E287F
RGB	rgb(30, 40, 127)
HSL	hsl(234, 62%, 31%)
HSV	hsv(234, 76%, 50%)
CMYK	cmyk(76.4%, 68.5%, 0%, 50.2%)
CIE-LAB	lab(21.30, 28.09, -50.21)
CIE-LCH	lch(21.30, 57.54, 299.23°)
OKLab	oklab(33.29% 0.0021 -0.1452)
OKLCH	oklch(33.29% 0.145 270.8)
XYZ	xyz(5.1237, 3.3254, 20.4464)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E287F #7F751E

analogous

#1E587F #1E287F #441E7F

triadic

#1E287F #7F1E28 #287F1E

tetradic

#1E287F #7F1E58 #7F751E #1E7F44

square

#1E287F #7F1E58 #7F751E #1E7F44

split-complementary

#1E287F #7F441E #587F1E

monochromatic

#07091C #12184D #1E287F #2A38B1 #4453D3

Accessibility & contrast

On white

12.61

#1E287F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1E287F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E287F

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E287F	#FFFFFF	#000000	##FFFFFF
##1E287F	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003882

Deuteranopia (green-blind)

#002F7D

Tritanopia (blue-blind)

#003F50

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1e287f;
/* rgb */ color: rgb(30, 40, 127);
/* oklch */ color: oklch(33.3% 0.145 270.8);

Tailwind

colors: {
  custom: {
    50: '#6a62a5',
    500: '#1e287f',
    950: '#000000',
  },
}

SCSS

$custom: #1e287f;
$custom-light: #6a62a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1e287f",
  "rgb": {
    "r": 30,
    "g": 40,
    "b": 127
  },
  "hsl": {
    "h": 233.814,
    "s": 61.783,
    "l": 30.784
  },
  "oklch": {
    "l": 0.33291,
    "c": 0.14523,
    "h": 270.8
  },
  "luminance": 0.03326
}

Semantic roles & 50–950 ramp

primary

#1E287F

secondary

#B2A747

accent

#D443E5

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1E287F

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

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