#1D425B#1D425B

#1D425B is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.4% C 0.061 H 240.8°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#1D425B
RGB	rgb(29, 66, 91)
HSL	hsl(204, 52%, 24%)
HSV	hsv(204, 68%, 36%)
CMYK	cmyk(68.1%, 27.5%, 0%, 64.3%)
CIE-LAB	lab(26.48, -4.37, -18.80)
CIE-LCH	lch(26.48, 19.30, 256.90°)
OKLab	oklab(36.42% -0.0296 -0.0528)
OKLCH	oklch(36.42% 0.061 240.8)
XYZ	xyz(4.3425, 4.9125, 10.6149)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D425B #5B361D

analogous

#1D5B55 #1D425B #1D235B

triadic

#1D425B #5B1D42 #425B1D

tetradic

#1D425B #551D5B #5B361D #235B1D

square

#1D425B #551D5B #5B361D #235B1D

split-complementary

#1D425B #5B1D23 #5B551D

monochromatic

#071117 #0E202D #1D425B #2C6489 #3B85B8

Accessibility & contrast

On white

10.59

#1D425B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1D425B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D425B

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D425B	#FFFFFF	#000000	##FFFFFF
##1D425B	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37425C

Deuteranopia (green-blind)

#2E3C5B

Tritanopia (blue-blind)

#00484B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1d425b;
/* rgb */ color: rgb(29, 66, 91);
/* oklch */ color: oklch(36.4% 0.061 240.8);

Tailwind

colors: {
  custom: {
    50: '#607689',
    500: '#1d425b',
    950: '#000000',
  },
}

SCSS

$custom: #1d425b;
$custom-light: #607689;
$custom-dark: #000000;

JSON

{
  "hex": "#1d425b",
  "rgb": {
    "r": 29,
    "g": 66,
    "b": 91
  },
  "hsl": {
    "h": 204.194,
    "s": 51.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.36416,
    "c": 0.06055,
    "h": 240.8
  },
  "luminance": 0.04913
}

Semantic roles & 50–950 ramp

primary

#1D425B

secondary

#906244

accent

#864DDB

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #1D425B

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

Preview Lab → · Contrast checker → · Palette generator →