#1A357E#1A357E

#1A357E is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.6% C 0.128 H 265.1°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#1A357E
RGB	rgb(26, 53, 126)
HSL	hsl(224, 66%, 30%)
HSV	hsv(224, 79%, 49%)
CMYK	cmyk(79.4%, 57.9%, 0%, 50.6%)
CIE-LAB	lab(24.55, 18.18, -44.29)
CIE-LCH	lch(24.55, 47.88, 292.32°)
OKLab	oklab(35.62% -0.011 -0.1278)
OKLCH	oklch(35.62% 0.128 265.1)
XYZ	xyz(5.4637, 4.2716, 20.2712)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A357E #7E631A

analogous

#1A677E #1A357E #311A7E

triadic

#1A357E #7E1A35 #357E1A

tetradic

#1A357E #7E1A67 #7E631A #1A7E31

square

#1A357E #7E1A67 #7E631A #1A7E31

split-complementary

#1A357E #7E311A #677E1A

monochromatic

#050B19 #10204B #1A357E #244AB1 #3C66D7

Accessibility & contrast

On white

11.32

#1A357E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1A357E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A357E

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A357E	#FFFFFF	#000000	##FFFFFF
##1A357E	1.00	11.32	1.85	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F81

Deuteranopia (green-blind)

#00367D

Tritanopia (blue-blind)

#004754

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1a357e;
/* rgb */ color: rgb(26, 53, 126);
/* oklch */ color: oklch(35.6% 0.128 265.1);

Tailwind

colors: {
  custom: {
    50: '#676ba4',
    500: '#1a357e',
    950: '#000000',
  },
}

SCSS

$custom: #1a357e;
$custom-light: #676ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a357e",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 126
  },
  "hsl": {
    "h": 223.8,
    "s": 65.789,
    "l": 29.804
  },
  "oklch": {
    "l": 0.35618,
    "c": 0.12824,
    "h": 265.1
  },
  "luminance": 0.04272
}

Semantic roles & 50–950 ramp

primary

#1A357E

secondary

#B29442

accent

#BB3FE9

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1A357E

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

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