#1A275E#1A275E

#1A275E is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.7% C 0.099 H 269.4°. Best body text is #FFFFFF at 14.04:1 contrast (WCAG AA passes).

Color values

HEX	#1A275E
RGB	rgb(26, 39, 94)
HSL	hsl(229, 57%, 24%)
HSV	hsv(229, 72%, 37%)
CMYK	cmyk(72.3%, 58.5%, 0%, 63.1%)
CIE-LAB	lab(17.82, 15.18, -34.55)
CIE-LCH	lch(17.82, 37.74, 293.73°)
OKLab	oklab(29.73% -0.001 -0.0994)
OKLCH	oklch(29.73% 0.099 269.4)
XYZ	xyz(3.1712, 2.4785, 10.8988)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A275E #5E511A

analogous

#1A495E #1A275E #2F1A5E

triadic

#1A275E #5E1A27 #275E1A

tetradic

#1A275E #5E1A49 #5E511A #1A5E2F

square

#1A275E #5E1A49 #5E511A #1A5E2F

split-complementary

#1A275E #5E2F1A #495E1A

monochromatic

#070A18 #0D132E #1A275E #273B8E #354FBE

Accessibility & contrast

On white

14.04

#1A275E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#1A275E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A275E

14.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A275E	#FFFFFF	#000000	##FFFFFF
##1A275E	1.00	14.04	1.50	14.04
#FFFFFF	14.04	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F60

Deuteranopia (green-blind)

#00295D

Tritanopia (blue-blind)

#00343E

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1a275e;
/* rgb */ color: rgb(26, 39, 94);
/* oklch */ color: oklch(29.7% 0.099 269.4);

Tailwind

colors: {
  custom: {
    50: '#60608c',
    500: '#1a275e',
    950: '#000000',
  },
}

SCSS

$custom: #1a275e;
$custom-light: #60608c;
$custom-dark: #000000;

JSON

{
  "hex": "#1a275e",
  "rgb": {
    "r": 26,
    "g": 39,
    "b": 94
  },
  "hsl": {
    "h": 228.529,
    "s": 56.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.29728,
    "c": 0.09937,
    "h": 269.4
  },
  "luminance": 0.02479
}

Semantic roles & 50–950 ramp

primary

#1A275E

secondary

#948440

accent

#C348E0

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #1A275E

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

Preview Lab → · Contrast checker → · Palette generator →