#1A107D#1A107D

#1A107D is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.3% C 0.168 H 272.9°. Best body text is #FFFFFF at 14.85:1 contrast (WCAG AA passes).

Color values

HEX	#1A107D
RGB	rgb(26, 16, 125)
HSL	hsl(246, 77%, 28%)
HSV	hsv(246, 87%, 49%)
CMYK	cmyk(79.2%, 87.2%, 0%, 51%)
CIE-LAB	lab(15.85, 41.03, -57.95)
CIE-LCH	lch(15.85, 71.00, 305.30°)
OKLab	oklab(29.29% 0.0084 -0.1676)
OKLCH	oklch(29.29% 0.168 272.9)
XYZ	xyz(4.3117, 2.0704, 19.5704)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A107D #737D10

analogous

#103C7D #1A107D #51107D

triadic

#1A107D #7D1A10 #107D1A

tetradic

#1A107D #7D103C #737D10 #107D51

square

#1A107D #7D103C #737D10 #107D51

split-complementary

#1A107D #7D5110 #3C7D10

monochromatic

#06031B #0F0947 #1A107D #2517B3 #3624E3

Accessibility & contrast

On white

14.85

#1A107D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#1A107D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A107D

14.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A107D	#FFFFFF	#000000	##FFFFFF
##1A107D	1.00	14.85	1.41	14.85
#FFFFFF	14.85	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C80

Deuteranopia (green-blind)

#00227B

Tritanopia (blue-blind)

#003449

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1a107d;
/* rgb */ color: rgb(26, 16, 125);
/* oklch */ color: oklch(29.3% 0.168 272.9);

Tailwind

colors: {
  custom: {
    50: '#6b53a4',
    500: '#1a107d',
    950: '#000000',
  },
}

SCSS

$custom: #1a107d;
$custom-light: #6b53a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a107d",
  "rgb": {
    "r": 26,
    "g": 16,
    "b": 125
  },
  "hsl": {
    "h": 245.505,
    "s": 77.305,
    "l": 27.647
  },
  "oklch": {
    "l": 0.2929,
    "c": 0.16781,
    "h": 272.9
  },
  "luminance": 0.02071
}

Semantic roles & 50–950 ramp

primary

#1A107D

secondary

#A8B335

accent

#F434E2

background

#F7F4FA

surface

#EDE7F4

border

#C8C3CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1A107D

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

Preview Lab → · Contrast checker → · Palette generator →