#1A175F#1A175F

#1A175F is a dark, vivid blue. Relative luminance 0.017; OKLCH L 26.6% C 0.122 H 276.0°. Best body text is #FFFFFF at 15.77:1 contrast (WCAG AA passes).

Color values

HEX	#1A175F
RGB	rgb(26, 23, 95)
HSL	hsl(243, 61%, 23%)
HSV	hsv(243, 76%, 37%)
CMYK	cmyk(72.6%, 75.8%, 0%, 62.7%)
CIE-LAB	lab(13.58, 26.87, -42.14)
CIE-LCH	lch(13.58, 49.97, 302.52°)
OKLab	oklab(26.64% 0.0127 -0.1217)
OKLCH	oklch(26.64% 0.122 276)
XYZ	xyz(2.7973, 1.6584, 10.9969)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A175F #5C5F17

analogous

#17385F #1A175F #3E175F

triadic

#1A175F #5F1A17 #175F1A

tetradic

#1A175F #5F1738 #5C5F17 #175F3E

square

#1A175F #5F1738 #5C5F17 #175F3E

split-complementary

#1A175F #5F3E17 #385F17

monochromatic

#070619 #0D0B2E #1A175F #272390 #352FC2

Accessibility & contrast

On white

15.77

#1A175F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#1A175F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A175F

15.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A175F	#FFFFFF	#000000	##FFFFFF
##1A175F	1.00	15.77	1.33	15.77
#FFFFFF	15.77	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002661

Deuteranopia (green-blind)

#00205E

Tritanopia (blue-blind)

#002B39

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #1a175f;
/* rgb */ color: rgb(26, 23, 95);
/* oklch */ color: oklch(26.6% 0.122 276.0);

Tailwind

colors: {
  custom: {
    50: '#62558d',
    500: '#1a175f',
    950: '#000000',
  },
}

SCSS

$custom: #1a175f;
$custom-light: #62558d;
$custom-dark: #000000;

JSON

{
  "hex": "#1a175f",
  "rgb": {
    "r": 26,
    "g": 23,
    "b": 95
  },
  "hsl": {
    "h": 242.5,
    "s": 61.017,
    "l": 23.137
  },
  "oklch": {
    "l": 0.26641,
    "c": 0.1224,
    "h": 276
  },
  "luminance": 0.01659
}

Semantic roles & 50–950 ramp

primary

#1A175F

secondary

#92963C

accent

#E444DD

background

#F6F4F8

surface

#EBE8F0

border

#C6C4CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #1A175F

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

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