#1735B4#1735B4

#1735B4 is a dark, highly saturated blue. Relative luminance 0.060; OKLCH L 40.8% C 0.201 H 266.0°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#1735B4
RGB	rgb(23, 53, 180)
HSL	hsl(229, 77%, 40%)
HSV	hsv(229, 87%, 71%)
CMYK	cmyk(87.2%, 70.6%, 0%, 29.4%)
CIE-LAB	lab(29.47, 38.96, -69.26)
CIE-LCH	lch(29.47, 79.47, 299.36°)
OKLab	oklab(40.75% -0.0141 -0.2008)
OKLCH	oklch(40.75% 0.201 266)
XYZ	xyz(9.8618, 6.0224, 43.8138)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.99

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1735B4 #B49617

analogous

#1784B4 #1735B4 #4817B4

triadic

#1735B4 #B41735 #35B417

tetradic

#1735B4 #B41784 #B49617 #17B448

square

#1735B4 #B41784 #B49617 #17B448

split-complementary

#1735B4 #B44817 #84B417

monochromatic

#091547 #10257E #1735B4 #2549E3 #5B77EA

Accessibility & contrast

On white

9.52

#1735B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#1735B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1735B4

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1735B4	#FFFFFF	#000000	##FFFFFF
##1735B4	1.00	9.52	2.20	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.52	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: #1735b4;
/* rgb */ color: rgb(23, 53, 180);
/* oklch */ color: oklch(40.8% 0.201 266.0);

Tailwind

colors: {
  custom: {
    50: '#756ccc',
    500: '#1735b4',
    950: '#000000',
  },
}

SCSS

$custom: #1735b4;
$custom-light: #756ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#1735b4",
  "rgb": {
    "r": 23,
    "g": 53,
    "b": 180
  },
  "hsl": {
    "h": 228.535,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40752,
    "c": 0.20135,
    "h": 266
  },
  "luminance": 0.06024
}

Semantic roles & 50–950 ramp

primary

#1735B4

secondary

#CEB759

accent

#CF34F4

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #1735B4

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

Preview Lab → · Contrast checker → · Palette generator →