#1A107F#1A107F

#1A107F is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.5% C 0.170 H 272.6°. Best body text is #FFFFFF at 14.74:1 contrast (WCAG AA passes).

Color values

HEX	#1A107F
RGB	rgb(26, 16, 127)
HSL	hsl(245, 78%, 28%)
HSV	hsv(245, 87%, 50%)
CMYK	cmyk(79.5%, 87.4%, 0%, 50.2%)
CIE-LAB	lab(16.11, 41.66, -58.79)
CIE-LCH	lch(16.11, 72.05, 305.32°)
OKLab	oklab(29.55% 0.0078 -0.17)
OKLCH	oklch(29.55% 0.17 272.6)
XYZ	xyz(4.4408, 2.1220, 20.2501)
Luminance	0.0212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A107F #757F10

analogous

#103E7F #1A107F #51107F

triadic

#1A107F #7F1A10 #107F1A

tetradic

#1A107F #7F103E #757F10 #107F51

square

#1A107F #7F103E #757F10 #107F51

split-complementary

#1A107F #7F5110 #3E7F10

monochromatic

#06031B #0F0949 #1A107F #2517B5 #3726E4

Accessibility & contrast

On white

14.74

#1A107F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#1A107F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A107F

14.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A107F	#FFFFFF	#000000	##FFFFFF
##1A107F	1.00	14.74	1.42	14.74
#FFFFFF	14.74	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D82

Deuteranopia (green-blind)

#00237D

Tritanopia (blue-blind)

#00354A

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1a107f;
/* rgb */ color: rgb(26, 16, 127);
/* oklch */ color: oklch(29.5% 0.170 272.6);

Tailwind

colors: {
  custom: {
    50: '#6b53a5',
    500: '#1a107f',
    950: '#000000',
  },
}

SCSS

$custom: #1a107f;
$custom-light: #6b53a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1a107f",
  "rgb": {
    "r": 26,
    "g": 16,
    "b": 127
  },
  "hsl": {
    "h": 245.405,
    "s": 77.622,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29546,
    "c": 0.17021,
    "h": 272.6
  },
  "luminance": 0.02123
}

Semantic roles & 50–950 ramp

primary

#1A107F

secondary

#AAB536

accent

#F434E3

background

#F7F4FA

surface

#EDE7F4

border

#C8C3CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1A107F

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

Preview Lab → · Contrast checker → · Palette generator →