#1D435A#1D435A

#1D435A is a dark, muted cyan. Relative luminance 0.050; OKLCH L 36.6% C 0.059 H 237.9°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#1D435A
RGB	rgb(29, 67, 90)
HSL	hsl(203, 51%, 23%)
HSV	hsv(203, 68%, 35%)
CMYK	cmyk(67.8%, 25.6%, 0%, 64.7%)
CIE-LAB	lab(26.77, -5.40, -17.70)
CIE-LCH	lch(26.77, 18.51, 253.04°)
OKLab	oklab(36.63% -0.0312 -0.0497)
OKLCH	oklch(36.63% 0.059 237.9)
XYZ	xyz(4.3586, 5.0133, 10.4088)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D435A #5A341D

analogous

#1D5A52 #1D435A #1D245A

triadic

#1D435A #5A1D43 #435A1D

tetradic

#1D435A #521D5A #5A341D #245A1D

square

#1D435A #521D5A #5A341D #245A1D

split-complementary

#1D435A #5A1D24 #5A521D

monochromatic

#071117 #0E212C #1D435A #2C6588 #3B88B7

Accessibility & contrast

On white

10.49

#1D435A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#1D435A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D435A

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D435A	#FFFFFF	#000000	##FFFFFF
##1D435A	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38435B

Deuteranopia (green-blind)

#303D5A

Tritanopia (blue-blind)

#00494B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1d435a;
/* rgb */ color: rgb(29, 67, 90);
/* oklch */ color: oklch(36.6% 0.059 237.9);

Tailwind

colors: {
  custom: {
    50: '#607788',
    500: '#1d435a',
    950: '#000000',
  },
}

SCSS

$custom: #1d435a;
$custom-light: #607788;
$custom-dark: #000000;

JSON

{
  "hex": "#1d435a",
  "rgb": {
    "r": 29,
    "g": 67,
    "b": 90
  },
  "hsl": {
    "h": 202.623,
    "s": 51.261,
    "l": 23.333
  },
  "oklch": {
    "l": 0.36629,
    "c": 0.05865,
    "h": 237.9
  },
  "luminance": 0.05014
}

Semantic roles & 50–950 ramp

primary

#1D435A

secondary

#8F6044

accent

#824DDB

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #1D435A

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

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