#1A157B#1A157B

#1A157B is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.6% C 0.161 H 272.6°. Best body text is #FFFFFF at 14.61:1 contrast (WCAG AA passes).

Color values

HEX	#1A157B
RGB	rgb(26, 21, 123)
HSL	hsl(243, 71%, 28%)
HSV	hsv(243, 83%, 48%)
CMYK	cmyk(78.9%, 82.9%, 0%, 51.8%)
CIE-LAB	lab(16.43, 37.93, -55.71)
CIE-LCH	lch(16.43, 67.40, 304.25°)
OKLab	oklab(29.62% 0.0074 -0.1612)
OKLCH	oklch(29.62% 0.161 272.6)
XYZ	xyz(4.2681, 2.1855, 18.9320)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A157B #767B15

analogous

#15437B #1A157B #4D157B

triadic

#1A157B #7B1A15 #157B1A

tetradic

#1A157B #7B1543 #767B15 #157B4D

square

#1A157B #7B1543 #767B15 #157B4D

split-complementary

#1A157B #7B4D15 #437B15

monochromatic

#06041A #0F0C47 #1A157B #251EAF #372FDB

Accessibility & contrast

On white

14.61

#1A157B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1A157B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A157B

14.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A157B	#FFFFFF	#000000	##FFFFFF
##1A157B	1.00	14.61	1.44	14.61
#FFFFFF	14.61	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7E

Deuteranopia (green-blind)

#002479

Tritanopia (blue-blind)

#003548

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1a157b;
/* rgb */ color: rgb(26, 21, 123);
/* oklch */ color: oklch(29.6% 0.161 272.6);

Tailwind

colors: {
  custom: {
    50: '#6a55a2',
    500: '#1a157b',
    950: '#000000',
  },
}

SCSS

$custom: #1a157b;
$custom-light: #6a55a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1a157b",
  "rgb": {
    "r": 26,
    "g": 21,
    "b": 123
  },
  "hsl": {
    "h": 242.941,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.29618,
    "c": 0.16138,
    "h": 272.6
  },
  "luminance": 0.02186
}

Semantic roles & 50–950 ramp

primary

#1A157B

secondary

#ABB03B

accent

#EE3AE5

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1A157B

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

Preview Lab → · Contrast checker → · Palette generator →