#1D52A0#1D52A0

#1D52A0 is a dark, vivid blue. Relative luminance 0.088; OKLCH L 44.9% C 0.138 H 258.5°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#1D52A0
RGB	rgb(29, 82, 160)
HSL	hsl(216, 69%, 37%)
HSV	hsv(216, 82%, 63%)
CMYK	cmyk(81.9%, 48.8%, 0%, 37.3%)
CIE-LAB	lab(35.66, 12.32, -47.19)
CIE-LCH	lch(35.66, 48.78, 284.63°)
OKLab	oklab(44.92% -0.0275 -0.1357)
OKLCH	oklch(44.92% 0.138 258.5)
XYZ	xyz(9.8668, 8.8327, 34.4357)
Luminance	0.0883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D52A0 #A06B1D

analogous

#1D94A0 #1D52A0 #291DA0

triadic

#1D52A0 #A01D52 #52A01D

tetradic

#1D52A0 #A01D94 #A06B1D #1DA029

square

#1D52A0 #A01D94 #A06B1D #1DA029

split-complementary

#1D52A0 #A0291D #94A01D

monochromatic

#0A1D38 #14376C #1D52A0 #266DD4 #578FE1

Accessibility & contrast

On white

7.59

#1D52A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#1D52A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D52A0

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D52A0	#FFFFFF	#000000	##FFFFFF
##1D52A0	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#255AA3

Deuteranopia (green-blind)

#004E9E

Tritanopia (blue-blind)

#006571

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1d52a0;
/* rgb */ color: rgb(29, 82, 160);
/* oklch */ color: oklch(44.9% 0.138 258.5);

Tailwind

colors: {
  custom: {
    50: '#6f82bd',
    500: '#1d52a0',
    950: '#000000',
  },
}

SCSS

$custom: #1d52a0;
$custom-light: #6f82bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d52a0",
  "rgb": {
    "r": 29,
    "g": 82,
    "b": 160
  },
  "hsl": {
    "h": 215.725,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.44915,
    "c": 0.13845,
    "h": 258.5
  },
  "luminance": 0.08834
}

Semantic roles & 50–950 ramp

primary

#1D52A0

secondary

#C49755

accent

#A53CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1D52A0

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

Preview Lab → · Contrast checker → · Palette generator →