#1D529D#1D529D

#1D529D is a dark, vivid blue. Relative luminance 0.087; OKLCH L 44.7% C 0.134 H 258.0°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#1D529D
RGB	rgb(29, 82, 157)
HSL	hsl(215, 69%, 36%)
HSV	hsv(215, 82%, 62%)
CMYK	cmyk(81.5%, 47.8%, 0%, 38.4%)
CIE-LAB	lab(35.46, 11.12, -45.72)
CIE-LCH	lch(35.46, 47.05, 283.67°)
OKLab	oklab(44.69% -0.028 -0.1313)
OKLCH	oklch(44.69% 0.134 258)
XYZ	xyz(9.6076, 8.7290, 33.0702)
Luminance	0.0873 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D529D #9D681D

analogous

#1D929D #1D529D #281D9D

triadic

#1D529D #9D1D52 #529D1D

tetradic

#1D529D #9D1D92 #9D681D #1D9D28

square

#1D529D #9D1D92 #9D681D #1D9D28

split-complementary

#1D529D #9D281D #929D1D

monochromatic

#0A1C36 #133769 #1D529D #276DD1 #558EE0

Accessibility & contrast

On white

7.65

#1D529D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#1D529D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D529D

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D529D	#FFFFFF	#000000	##FFFFFF
##1D529D	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285AA0

Deuteranopia (green-blind)

#014E9C

Tritanopia (blue-blind)

#006470

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1d529d;
/* rgb */ color: rgb(29, 82, 157);
/* oklch */ color: oklch(44.7% 0.134 258.0);

Tailwind

colors: {
  custom: {
    50: '#6f82ba',
    500: '#1d529d',
    950: '#000000',
  },
}

SCSS

$custom: #1d529d;
$custom-light: #6f82ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1d529d",
  "rgb": {
    "r": 29,
    "g": 82,
    "b": 157
  },
  "hsl": {
    "h": 215.156,
    "s": 68.817,
    "l": 36.471
  },
  "oklch": {
    "l": 0.44694,
    "c": 0.13429,
    "h": 258
  },
  "luminance": 0.0873
}

Semantic roles & 50–950 ramp

primary

#1D529D

secondary

#C39553

accent

#A33CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #1D529D

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

Preview Lab → · Contrast checker → · Palette generator →