#1D25A6#1D25A6

#1D25A6 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 37.0% C 0.199 H 269.2°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#1D25A6
RGB	rgb(29, 37, 166)
HSL	hsl(236, 70%, 38%)
HSV	hsv(236, 83%, 65%)
CMYK	cmyk(82.5%, 77.7%, 0%, 34.9%)
CIE-LAB	lab(24.75, 43.90, -68.64)
CIE-LCH	lch(24.75, 81.48, 302.60°)
OKLab	oklab(36.99% -0.0029 -0.1989)
OKLCH	oklch(36.99% 0.199 269.2)
XYZ	xyz(8.0488, 4.3366, 36.4818)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D25A6 #A69E1D

analogous

#1D69A6 #1D25A6 #591DA6

triadic

#1D25A6 #A61D25 #25A61D

tetradic

#1D25A6 #A61D69 #A69E1D #1DA659

square

#1D25A6 #A61D69 #A69E1D #1DA659

split-complementary

#1D25A6 #A6591D #69A61D

monochromatic

#0B0E3E #141972 #1D25A6 #2731D9 #5B63E2

Accessibility & contrast

On white

11.24

#1D25A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#1D25A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D25A6

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D25A6	#FFFFFF	#000000	##FFFFFF
##1D25A6	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AA

Deuteranopia (green-blind)

#0034A4

Tritanopia (blue-blind)

#004C64

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1d25a6;
/* rgb */ color: rgb(29, 37, 166);
/* oklch */ color: oklch(37.0% 0.199 269.2);

Tailwind

colors: {
  custom: {
    50: '#7561c2',
    500: '#1d25a6',
    950: '#000000',
  },
}

SCSS

$custom: #1d25a6;
$custom-light: #7561c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d25a6",
  "rgb": {
    "r": 29,
    "g": 37,
    "b": 166
  },
  "hsl": {
    "h": 236.496,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.36993,
    "c": 0.1989,
    "h": 269.2
  },
  "luminance": 0.04338
}

Semantic roles & 50–950 ramp

primary

#1D25A6

secondary

#C6C059

accent

#E33BED

background

#F7F5FC

surface

#EEEAF8

border

#C9C6D1

text

#0A0513

muted

#7C7982

Preview Lab

Preview with #1D25A6

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

Preview Lab → · Contrast checker → · Palette generator →