#1D5099#1D5099

#1D5099 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 43.9% C 0.131 H 258.1°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#1D5099
RGB	rgb(29, 80, 153)
HSL	hsl(215, 68%, 36%)
HSV	hsv(215, 81%, 60%)
CMYK	cmyk(81%, 47.7%, 0%, 40%)
CIE-LAB	lab(34.59, 10.85, -44.70)
CIE-LCH	lch(34.59, 45.99, 283.65°)
OKLab	oklab(43.94% -0.0271 -0.1284)
OKLCH	oklch(43.94% 0.131 258.1)
XYZ	xyz(9.1230, 8.2973, 31.2515)
Luminance	0.0830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5099 #99661D

analogous

#1D8E99 #1D5099 #281D99

triadic

#1D5099 #991D50 #50991D

tetradic

#1D5099 #991D8E #99661D #1D9928

square

#1D5099 #991D8E #99661D #1D9928

split-complementary

#1D5099 #99281D #8E991D

monochromatic

#091A32 #133566 #1D5099 #276BCC #528CDE

Accessibility & contrast

On white

7.90

#1D5099 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#1D5099 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5099

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5099	#FFFFFF	#000000	##FFFFFF
##1D5099	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28579C

Deuteranopia (green-blind)

#034C98

Tritanopia (blue-blind)

#00616D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1d5099;
/* rgb */ color: rgb(29, 80, 153);
/* oklch */ color: oklch(43.9% 0.131 258.1);

Tailwind

colors: {
  custom: {
    50: '#6e80b7',
    500: '#1d5099',
    950: '#000000',
  },
}

SCSS

$custom: #1d5099;
$custom-light: #6e80b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5099",
  "rgb": {
    "r": 29,
    "g": 80,
    "b": 153
  },
  "hsl": {
    "h": 215.323,
    "s": 68.132,
    "l": 35.686
  },
  "oklch": {
    "l": 0.43943,
    "c": 0.1312,
    "h": 258.1
  },
  "luminance": 0.08298
}

Semantic roles & 50–950 ramp

primary

#1D5099

secondary

#C19351

accent

#A33DEB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1D5099

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

Preview Lab → · Contrast checker → · Palette generator →