#1A118C#1A118C

#1A118C is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.3% C 0.185 H 271.2°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#1A118C
RGB	rgb(26, 17, 140)
HSL	hsl(244, 78%, 31%)
HSV	hsv(244, 88%, 55%)
CMYK	cmyk(81.4%, 87.9%, 0%, 45.1%)
CIE-LAB	lab(17.98, 45.26, -63.90)
CIE-LCH	lch(17.98, 78.30, 305.31°)
OKLab	oklab(31.31% 0.004 -0.1848)
OKLCH	oklch(31.31% 0.185 271.2)
XYZ	xyz(5.3585, 2.5134, 25.0086)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A118C #838C11

analogous

#11458C #1A118C #57118C

triadic

#1A118C #8C1A11 #118C1A

tetradic

#1A118C #8C1145 #838C11 #118C57

square

#1A118C #8C1145 #838C11 #118C57

split-complementary

#1A118C #8C5711 #458C11

monochromatic

#06041F #100A55 #1A118C #2418C3 #3F31E6

Accessibility & contrast

On white

13.97

#1A118C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#1A118C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A118C

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A118C	#FFFFFF	#000000	##FFFFFF
##1A118C	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00328F

Deuteranopia (green-blind)

#00268A

Tritanopia (blue-blind)

#003B52

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1a118c;
/* rgb */ color: rgb(26, 17, 140);
/* oklch */ color: oklch(31.3% 0.185 271.2);

Tailwind

colors: {
  custom: {
    50: '#6f55af',
    500: '#1a118c',
    950: '#000000',
  },
}

SCSS

$custom: #1a118c;
$custom-light: #6f55af;
$custom-dark: #000000;

JSON

{
  "hex": "#1a118c",
  "rgb": {
    "r": 26,
    "g": 17,
    "b": 140
  },
  "hsl": {
    "h": 244.39,
    "s": 78.344,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31312,
    "c": 0.18487,
    "h": 271.2
  },
  "luminance": 0.02514
}

Semantic roles & 50–950 ramp

primary

#1A118C

secondary

#B7C138

accent

#F533E7

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090311

muted

#7B7880

Preview Lab

Preview with #1A118C

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

Preview Lab → · Contrast checker → · Palette generator →