#1A306C#1A306C

#1A306C is a dark, moderate blue. Relative luminance 0.034; OKLCH L 33.0% C 0.108 H 265.6°. Best body text is #FFFFFF at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#1A306C
RGB	rgb(26, 48, 108)
HSL	hsl(224, 61%, 26%)
HSV	hsv(224, 76%, 42%)
CMYK	cmyk(75.9%, 55.6%, 0%, 57.6%)
CIE-LAB	lab(21.64, 14.38, -37.53)
CIE-LCH	lch(21.64, 40.19, 290.97°)
OKLab	oklab(32.96% -0.0083 -0.108)
OKLCH	oklch(32.96% 0.108 265.6)
XYZ	xyz(4.1888, 3.4158, 14.6230)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A306C #6C561A

analogous

#1A596C #1A306C #2D1A6C

triadic

#1A306C #6C1A30 #306C1A

tetradic

#1A306C #6C1A59 #6C561A #1A6C2D

square

#1A306C #6C1A59 #6C561A #1A6C2D

split-complementary

#1A306C #6C2D1A #596C1A

monochromatic

#060B19 #0E1A3B #1A306C #26469D #335CCE

Accessibility & contrast

On white

12.48

#1A306C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1A306C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A306C

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A306C	#FFFFFF	#000000	##FFFFFF
##1A306C	1.00	12.48	1.68	12.48
#FFFFFF	12.48	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06386E

Deuteranopia (green-blind)

#00306B

Tritanopia (blue-blind)

#003E49

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1a306c;
/* rgb */ color: rgb(26, 48, 108);
/* oklch */ color: oklch(33.0% 0.108 265.6);

Tailwind

colors: {
  custom: {
    50: '#636797',
    500: '#1a306c',
    950: '#000000',
  },
}

SCSS

$custom: #1a306c;
$custom-light: #636797;
$custom-dark: #000000;

JSON

{
  "hex": "#1a306c",
  "rgb": {
    "r": 26,
    "g": 48,
    "b": 108
  },
  "hsl": {
    "h": 223.902,
    "s": 61.194,
    "l": 26.275
  },
  "oklch": {
    "l": 0.32964,
    "c": 0.10829,
    "h": 265.6
  },
  "luminance": 0.03416
}

Semantic roles & 50–950 ramp

primary

#1A306C

secondary

#A18741

accent

#B943E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1A306C

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

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