#1A427B#1A427B

#1A427B is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.4% C 0.107 H 257.8°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#1A427B
RGB	rgb(26, 66, 123)
HSL	hsl(215, 65%, 29%)
HSV	hsv(215, 79%, 48%)
CMYK	cmyk(78.9%, 46.3%, 0%, 51.8%)
CIE-LAB	lab(28.24, 7.84, -36.45)
CIE-LCH	lch(28.24, 37.28, 282.14°)
OKLab	oklab(38.36% -0.0225 -0.1044)
OKLCH	oklch(38.36% 0.107 257.8)
XYZ	xyz(5.9481, 5.5454, 19.4919)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A427B #7B531A

analogous

#1A737B #1A427B #231A7B

triadic

#1A427B #7B1A42 #427B1A

tetradic

#1A427B #7B1A73 #7B531A #1A7B23

square

#1A427B #7B1A73 #7B531A #1A7B23

split-complementary

#1A427B #7B231A #737B1A

monochromatic

#050E19 #0F2748 #1A427B #255DAE #3A7AD5

Accessibility & contrast

On white

9.96

#1A427B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#1A427B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A427B

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A427B	#FFFFFF	#000000	##FFFFFF
##1A427B	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25477D

Deuteranopia (green-blind)

#113E7A

Tritanopia (blue-blind)

#004F58

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1a427b;
/* rgb */ color: rgb(26, 66, 123);
/* oklch */ color: oklch(38.4% 0.107 257.8);

Tailwind

colors: {
  custom: {
    50: '#6675a1',
    500: '#1a427b',
    950: '#000000',
  },
}

SCSS

$custom: #1a427b;
$custom-light: #6675a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a427b",
  "rgb": {
    "r": 26,
    "g": 66,
    "b": 123
  },
  "hsl": {
    "h": 215.258,
    "s": 65.101,
    "l": 29.216
  },
  "oklch": {
    "l": 0.38362,
    "c": 0.10686,
    "h": 257.8
  },
  "luminance": 0.05546
}

Semantic roles & 50–950 ramp

primary

#1A427B

secondary

#AF8242

accent

#A340E8

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1A427B

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

Preview Lab → · Contrast checker → · Palette generator →