#1A435D#1A435D

#1A435D is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.7% C 0.064 H 239.7°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#1A435D
RGB	rgb(26, 67, 93)
HSL	hsl(203, 56%, 23%)
HSV	hsv(203, 72%, 36%)
CMYK	cmyk(72%, 28%, 0%, 63.5%)
CIE-LAB	lab(26.80, -4.85, -19.61)
CIE-LCH	lch(26.80, 20.20, 256.11°)
OKLab	oklab(36.67% -0.0323 -0.0552)
OKLCH	oklch(36.67% 0.064 239.7)
XYZ	xyz(4.4082, 5.0238, 11.0912)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A435D #5D341A

analogous

#1A5D55 #1A435D #1A215D

triadic

#1A435D #5D1A43 #435D1A

tetradic

#1A435D #551A5D #5D341A #215D1A

square

#1A435D #551A5D #5D341A #215D1A

split-complementary

#1A435D #5D1A21 #5D551A

monochromatic

#071118 #0D212D #1A435D #27658D #3588BD

Accessibility & contrast

On white

10.47

#1A435D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#1A435D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A435D

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A435D	#FFFFFF	#000000	##FFFFFF
##1A435D	1.00	10.47	2.00	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37435E

Deuteranopia (green-blind)

#2E3C5D

Tritanopia (blue-blind)

#004A4C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1a435d;
/* rgb */ color: rgb(26, 67, 93);
/* oklch */ color: oklch(36.7% 0.064 239.7);

Tailwind

colors: {
  custom: {
    50: '#5f778b',
    500: '#1a435d',
    950: '#000000',
  },
}

SCSS

$custom: #1a435d;
$custom-light: #5f778b;
$custom-dark: #000000;

JSON

{
  "hex": "#1a435d",
  "rgb": {
    "r": 26,
    "g": 67,
    "b": 93
  },
  "hsl": {
    "h": 203.284,
    "s": 56.303,
    "l": 23.333
  },
  "oklch": {
    "l": 0.36668,
    "c": 0.06395,
    "h": 239.7
  },
  "luminance": 0.05024
}

Semantic roles & 50–950 ramp

primary

#1A435D

secondary

#936040

accent

#8348E0

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #1A435D

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

Preview Lab → · Contrast checker → · Palette generator →