#1835B4#1835B4

#1835B4 is a dark, highly saturated blue. Relative luminance 0.060; OKLCH L 40.8% C 0.201 H 266.2°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#1835B4
RGB	rgb(24, 53, 180)
HSL	hsl(229, 76%, 40%)
HSV	hsv(229, 87%, 71%)
CMYK	cmyk(86.7%, 70.6%, 0%, 29.4%)
CIE-LAB	lab(29.50, 39.02, -69.21)
CIE-LCH	lch(29.50, 79.45, 299.41°)
OKLab	oklab(40.78% -0.0135 -0.2007)
OKLCH	oklch(40.78% 0.201 266.2)
XYZ	xyz(9.8851, 6.0344, 43.8149)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.94

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1835B4 #B49718

analogous

#1883B4 #1835B4 #4918B4

triadic

#1835B4 #B41835 #35B418

tetradic

#1835B4 #B41883 #B49718 #18B449

square

#1835B4 #B41883 #B49718 #18B449

split-complementary

#1835B4 #B44918 #83B418

monochromatic

#0A1548 #11257E #1835B4 #274AE2 #5D77E9

Accessibility & contrast

On white

9.51

#1835B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#1835B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1835B4

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1835B4	#FFFFFF	#000000	##FFFFFF
##1835B4	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB8

Deuteranopia (green-blind)

#003EB2

Tritanopia (blue-blind)

#005970

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1835b4;
/* rgb */ color: rgb(24, 53, 180);
/* oklch */ color: oklch(40.8% 0.201 266.2);

Tailwind

colors: {
  custom: {
    50: '#766ccc',
    500: '#1835b4',
    950: '#000000',
  },
}

SCSS

$custom: #1835b4;
$custom-light: #766ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#1835b4",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 180
  },
  "hsl": {
    "h": 228.846,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.40783,
    "c": 0.20113,
    "h": 266.2
  },
  "luminance": 0.06036
}

Semantic roles & 50–950 ramp

primary

#1835B4

secondary

#CDB85B

accent

#D035F3

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #1835B4

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

Preview Lab → · Contrast checker → · Palette generator →