#1E237A#1E237A

#1E237A is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.9% C 0.144 H 272.3°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#1E237A
RGB	rgb(30, 35, 122)
HSL	hsl(237, 61%, 30%)
HSV	hsv(237, 75%, 48%)
CMYK	cmyk(75.4%, 71.3%, 0%, 52.2%)
CIE-LAB	lab(19.57, 29.53, -49.89)
CIE-LCH	lch(19.57, 57.97, 300.63°)
OKLab	oklab(31.88% 0.0058 -0.1443)
OKLCH	oklch(31.88% 0.144 272.3)
XYZ	xyz(4.6481, 2.8828, 18.7200)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E237A #7A751E

analogous

#1E517A #1E237A #471E7A

triadic

#1E237A #7A1E23 #237A1E

tetradic

#1E237A #7A1E51 #7A751E #1E7A47

square

#1E237A #7A1E51 #7A751E #1E7A47

split-complementary

#1E237A #7A471E #517A1E

monochromatic

#060719 #121549 #1E237A #2A31AB #424AD0

Accessibility & contrast

On white

13.32

#1E237A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1E237A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E237A

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E237A	#FFFFFF	#000000	##FFFFFF
##1E237A	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347D

Deuteranopia (green-blind)

#002B78

Tritanopia (blue-blind)

#003B4B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1e237a;
/* rgb */ color: rgb(30, 35, 122);
/* oklch */ color: oklch(31.9% 0.144 272.3);

Tailwind

colors: {
  custom: {
    50: '#695ea1',
    500: '#1e237a',
    950: '#000000',
  },
}

SCSS

$custom: #1e237a;
$custom-light: #695ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#1e237a",
  "rgb": {
    "r": 30,
    "g": 35,
    "b": 122
  },
  "hsl": {
    "h": 236.739,
    "s": 60.526,
    "l": 29.804
  },
  "oklch": {
    "l": 0.3188,
    "c": 0.14439,
    "h": 272.3
  },
  "luminance": 0.02883
}

Semantic roles & 50–950 ramp

primary

#1E237A

secondary

#AEA846

accent

#DB44E4

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1E237A

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

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