#1A148F#1A148F

#1A148F is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.0% C 0.186 H 270.8°. Best body text is #FFFFFF at 13.63:1 contrast (WCAG AA passes).

Color values

HEX	#1A148F
RGB	rgb(26, 20, 143)
HSL	hsl(243, 75%, 32%)
HSV	hsv(243, 86%, 56%)
CMYK	cmyk(81.8%, 86%, 0%, 43.9%)
CIE-LAB	lab(18.81, 44.89, -64.39)
CIE-LCH	lch(18.81, 78.49, 304.88°)
OKLab	oklab(32% 0.0027 -0.1863)
OKLCH	oklch(32% 0.186 270.8)
XYZ	xyz(5.6324, 2.7024, 26.2060)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A148F #898F14

analogous

#144C8F #1A148F #58148F

triadic

#1A148F #8F1A14 #148F1A

tetradic

#1A148F #8F144C #898F14 #148F58

square

#1A148F #8F144C #898F14 #148F58

split-complementary

#1A148F #8F5814 #4C8F14

monochromatic

#060524 #100C59 #1A148F #241CC5 #423AE3

Accessibility & contrast

On white

13.63

#1A148F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1A148F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A148F

13.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A148F	#FFFFFF	#000000	##FFFFFF
##1A148F	1.00	13.63	1.54	13.63
#FFFFFF	13.63	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003492

Deuteranopia (green-blind)

#00278D

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1a148f;
/* rgb */ color: rgb(26, 20, 143);
/* oklch */ color: oklch(32.0% 0.186 270.8);

Tailwind

colors: {
  custom: {
    50: '#6f56b1',
    500: '#1a148f',
    950: '#000000',
  },
}

SCSS

$custom: #1a148f;
$custom-light: #6f56b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a148f",
  "rgb": {
    "r": 26,
    "g": 20,
    "b": 143
  },
  "hsl": {
    "h": 242.927,
    "s": 75.46,
    "l": 31.961
  },
  "oklch": {
    "l": 0.31995,
    "c": 0.18633,
    "h": 270.8
  },
  "luminance": 0.02703
}

Semantic roles & 50–950 ramp

primary

#1A148F

secondary

#BCC33C

accent

#F236E9

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1A148F

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

Preview Lab → · Contrast checker → · Palette generator →