#1D285D#1D285D

#1D285D is a dark, moderate blue. Relative luminance 0.026; OKLCH L 30.1% C 0.095 H 270.8°. Best body text is #FFFFFF at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#1D285D
RGB	rgb(29, 40, 93)
HSL	hsl(230, 52%, 24%)
HSV	hsv(230, 69%, 36%)
CMYK	cmyk(68.8%, 57%, 0%, 63.5%)
CIE-LAB	lab(18.23, 14.60, -33.22)
CIE-LCH	lch(18.23, 36.29, 293.73°)
OKLab	oklab(30.06% 0.0013 -0.0954)
OKLCH	oklch(30.06% 0.095 270.8)
XYZ	xyz(3.2406, 2.5688, 10.6789)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D285D #5D521D

analogous

#1D485D #1D285D #321D5D

triadic

#1D285D #5D1D28 #285D1D

tetradic

#1D285D #5D1D48 #5D521D #1D5D32

square

#1D285D #5D1D48 #5D521D #1D5D32

split-complementary

#1D285D #5D321D #485D1D

monochromatic

#070A17 #0E142E #1D285D #2C3C8C #3A50BA

Accessibility & contrast

On white

13.87

#1D285D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1D285D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D285D

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D285D	#FFFFFF	#000000	##FFFFFF
##1D285D	1.00	13.87	1.51	13.87
#FFFFFF	13.87	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#062F5F

Deuteranopia (green-blind)

#002A5C

Tritanopia (blue-blind)

#00343E

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1d285d;
/* rgb */ color: rgb(29, 40, 93);
/* oklch */ color: oklch(30.1% 0.095 270.8);

Tailwind

colors: {
  custom: {
    50: '#61618b',
    500: '#1d285d',
    950: '#000000',
  },
}

SCSS

$custom: #1d285d;
$custom-light: #61618b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d285d",
  "rgb": {
    "r": 29,
    "g": 40,
    "b": 93
  },
  "hsl": {
    "h": 229.688,
    "s": 52.459,
    "l": 23.922
  },
  "oklch": {
    "l": 0.30059,
    "c": 0.09537,
    "h": 270.8
  },
  "luminance": 0.02569
}

Semantic roles & 50–950 ramp

primary

#1D285D

secondary

#928544

accent

#C34CDC

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05050C

muted

#7A797D

Preview Lab

Preview with #1D285D

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

Preview Lab → · Contrast checker → · Palette generator →