#1E187B#1E187B

#1E187B is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.3% C 0.158 H 274.2°. Best body text is #FFFFFF at 14.27:1 contrast (WCAG AA passes).

Color values

HEX	#1E187B
RGB	rgb(30, 24, 123)
HSL	hsl(244, 67%, 29%)
HSV	hsv(244, 80%, 48%)
CMYK	cmyk(75.6%, 80.5%, 0%, 51.8%)
CIE-LAB	lab(17.27, 36.62, -54.32)
CIE-LCH	lch(17.27, 65.51, 303.99°)
OKLab	oklab(30.27% 0.0116 -0.1571)
OKLCH	oklch(30.27% 0.158 274.2)
XYZ	xyz(4.4360, 2.3589, 18.9566)
Luminance	0.0236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E187B #757B18

analogous

#18447B #1E187B #50187B

triadic

#1E187B #7B1E18 #187B1E

tetradic

#1E187B #7B1844 #757B18 #187B50

square

#1E187B #7B1844 #757B18 #187B50

split-complementary

#1E187B #7B5018 #447B18

monochromatic

#06051A #120E48 #1E187B #2A22AE #4036D8

Accessibility & contrast

On white

14.27

#1E187B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#1E187B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E187B

14.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E187B	#FFFFFF	#000000	##FFFFFF
##1E187B	1.00	14.27	1.47	14.27
#FFFFFF	14.27	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7E

Deuteranopia (green-blind)

#002679

Tritanopia (blue-blind)

#003649

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1e187b;
/* rgb */ color: rgb(30, 24, 123);
/* oklch */ color: oklch(30.3% 0.158 274.2);

Tailwind

colors: {
  custom: {
    50: '#6b57a2',
    500: '#1e187b',
    950: '#000000',
  },
}

SCSS

$custom: #1e187b;
$custom-light: #6b57a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e187b",
  "rgb": {
    "r": 30,
    "g": 24,
    "b": 123
  },
  "hsl": {
    "h": 243.636,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.30274,
    "c": 0.15755,
    "h": 274.2
  },
  "luminance": 0.02359
}

Semantic roles & 50–950 ramp

primary

#1E187B

secondary

#A9B03F

accent

#EA3EE0

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1E187B

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

Preview Lab → · Contrast checker → · Palette generator →