#1D2B59#1D2B59

#1D2B59 is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.4% C 0.085 H 268.3°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B59
RGB	rgb(29, 43, 89)
HSL	hsl(226, 51%, 23%)
HSV	hsv(226, 67%, 35%)
CMYK	cmyk(67.4%, 51.7%, 0%, 65.1%)
CIE-LAB	lab(18.84, 10.81, -29.57)
CIE-LCH	lch(18.84, 31.49, 290.08°)
OKLab	oklab(30.43% -0.0025 -0.0846)
OKLCH	oklch(30.43% 0.085 268.3)
XYZ	xyz(3.1731, 2.7100, 9.8051)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B59 #594B1D

analogous

#1D4959 #1D2B59 #2D1D59

triadic

#1D2B59 #591D2B #2B591D

tetradic

#1D2B59 #591D49 #594B1D #1D592D

square

#1D2B59 #591D49 #594B1D #1D592D

split-complementary

#1D2B59 #592D1D #49591D

monochromatic

#080B17 #0E152B #1D2B59 #2C4187 #3B58B5

Accessibility & contrast

On white

13.62

#1D2B59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1D2B59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B59

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B59	#FFFFFF	#000000	##FFFFFF
##1D2B59	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14315B

Deuteranopia (green-blind)

#082B58

Tritanopia (blue-blind)

#00363D

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d2b59;
/* rgb */ color: rgb(29, 43, 89);
/* oklch */ color: oklch(30.4% 0.085 268.3);

Tailwind

colors: {
  custom: {
    50: '#606388',
    500: '#1d2b59',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b59;
$custom-light: #606388;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b59",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 89
  },
  "hsl": {
    "h": 226,
    "s": 50.847,
    "l": 23.137
  },
  "oklch": {
    "l": 0.30429,
    "c": 0.08462,
    "h": 268.3
  },
  "luminance": 0.0271
}

Semantic roles & 50–950 ramp

primary

#1D2B59

secondary

#8E7D44

accent

#B94DDA

background

#F5F5F8

surface

#EAEAF0

border

#C6C6CB

text

#05050B

muted

#79797C

Preview Lab

Preview with #1D2B59

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

Preview Lab → · Contrast checker → · Palette generator →