#1A3887#1A3887

#1A3887 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.1% C 0.137 H 264.7°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#1A3887
RGB	rgb(26, 56, 135)
HSL	hsl(223, 68%, 32%)
HSV	hsv(223, 81%, 53%)
CMYK	cmyk(80.7%, 58.5%, 0%, 47.1%)
CIE-LAB	lab(26.15, 19.73, -47.33)
CIE-LCH	lch(26.15, 51.28, 292.63°)
OKLab	oklab(37.05% -0.0127 -0.1366)
OKLCH	oklch(37.05% 0.137 264.7)
XYZ	xyz(6.2118, 4.7965, 23.5154)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3887 #87691A

analogous

#1A6F87 #1A3887 #331A87

triadic

#1A3887 #871A38 #38871A

tetradic

#1A3887 #871A6F #87691A #1A8733

square

#1A3887 #871A6F #87691A #1A8733

split-complementary

#1A3887 #87331A #6F871A

monochromatic

#060D20 #102354 #1A3887 #244DBA #416BDA

Accessibility & contrast

On white

10.72

#1A3887 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1A3887 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3887

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3887	#FFFFFF	#000000	##FFFFFF
##1A3887	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438A

Deuteranopia (green-blind)

#003985

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1a3887;
/* rgb */ color: rgb(26, 56, 135);
/* oklch */ color: oklch(37.1% 0.137 264.7);

Tailwind

colors: {
  custom: {
    50: '#696eab',
    500: '#1a3887',
    950: '#000000',
  },
}

SCSS

$custom: #1a3887;
$custom-light: #696eab;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3887",
  "rgb": {
    "r": 26,
    "g": 56,
    "b": 135
  },
  "hsl": {
    "h": 223.486,
    "s": 67.702,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37052,
    "c": 0.13723,
    "h": 264.7
  },
  "luminance": 0.04797
}

Semantic roles & 50–950 ramp

primary

#1A3887

secondary

#BA9942

accent

#BB3DEB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1A3887

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

Preview Lab → · Contrast checker → · Palette generator →