#1A177D#1A177D

#1A177D is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.1% C 0.162 H 272.2°. Best body text is #FFFFFF at 14.36:1 contrast (WCAG AA passes).

Color values

HEX	#1A177D
RGB	rgb(26, 23, 125)
HSL	hsl(242, 69%, 29%)
HSV	hsv(242, 82%, 49%)
CMYK	cmyk(79.2%, 81.6%, 0%, 51%)
CIE-LAB	lab(17.05, 37.52, -55.97)
CIE-LCH	lch(17.05, 67.38, 303.84°)
OKLab	oklab(30.12% 0.0063 -0.162)
OKLCH	oklch(30.12% 0.162 272.2)
XYZ	xyz(4.4328, 2.3126, 19.6108)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A177D #7A7D17

analogous

#17477D #1A177D #4D177D

triadic

#1A177D #7D1A17 #177D1A

tetradic

#1A177D #7D1747 #7A7D17 #177D4D

square

#1A177D #7D1747 #7A7D17 #177D4D

split-complementary

#1A177D #7D4D17 #477D17

monochromatic

#05051A #0F0D49 #1A177D #2521B1 #3935DA

Accessibility & contrast

On white

14.36

#1A177D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1A177D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A177D

14.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A177D	#FFFFFF	#000000	##FFFFFF
##1A177D	1.00	14.36	1.46	14.36
#FFFFFF	14.36	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F80

Deuteranopia (green-blind)

#00257B

Tritanopia (blue-blind)

#00364A

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1a177d;
/* rgb */ color: rgb(26, 23, 125);
/* oklch */ color: oklch(30.1% 0.162 272.2);

Tailwind

colors: {
  custom: {
    50: '#6a56a4',
    500: '#1a177d',
    950: '#000000',
  },
}

SCSS

$custom: #1a177d;
$custom-light: #6a56a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a177d",
  "rgb": {
    "r": 26,
    "g": 23,
    "b": 125
  },
  "hsl": {
    "h": 241.765,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.3012,
    "c": 0.1621,
    "h": 272.2
  },
  "luminance": 0.02313
}

Semantic roles & 50–950 ramp

primary

#1A177D

secondary

#AEB23E

accent

#EC3CE7

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1A177D

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

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