#1A316C#1A316C

#1A316C is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.2% C 0.107 H 265.0°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#1A316C
RGB	rgb(26, 49, 108)
HSL	hsl(223, 61%, 26%)
HSV	hsv(223, 76%, 42%)
CMYK	cmyk(75.9%, 54.6%, 0%, 57.6%)
CIE-LAB	lab(21.94, 13.66, -37.04)
CIE-LCH	lch(21.94, 39.48, 290.24°)
OKLab	oklab(33.19% -0.0093 -0.1065)
OKLCH	oklch(33.19% 0.107 265)
XYZ	xyz(4.2301, 3.4985, 14.6368)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A316C #6C551A

analogous

#1A5A6C #1A316C #2C1A6C

triadic

#1A316C #6C1A31 #316C1A

tetradic

#1A316C #6C1A5A #6C551A #1A6C2C

square

#1A316C #6C1A5A #6C551A #1A6C2C

split-complementary

#1A316C #6C2C1A #5A6C1A

monochromatic

#060B19 #0E1B3B #1A316C #26479D #335ECE

Accessibility & contrast

On white

12.35

#1A316C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1A316C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A316C

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A316C	#FFFFFF	#000000	##FFFFFF
##1A316C	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A386E

Deuteranopia (green-blind)

#00316B

Tritanopia (blue-blind)

#003F49

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1a316c;
/* rgb */ color: rgb(26, 49, 108);
/* oklch */ color: oklch(33.2% 0.107 265.0);

Tailwind

colors: {
  custom: {
    50: '#636897',
    500: '#1a316c',
    950: '#000000',
  },
}

SCSS

$custom: #1a316c;
$custom-light: #636897;
$custom-dark: #000000;

JSON

{
  "hex": "#1a316c",
  "rgb": {
    "r": 26,
    "g": 49,
    "b": 108
  },
  "hsl": {
    "h": 223.171,
    "s": 61.194,
    "l": 26.275
  },
  "oklch": {
    "l": 0.33192,
    "c": 0.10692,
    "h": 265
  },
  "luminance": 0.03499
}

Semantic roles & 50–950 ramp

primary

#1A316C

secondary

#A18641

accent

#B743E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1A316C

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

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