#1D528D#1D528D

#1D528D is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.6% C 0.112 H 253.8°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#1D528D
RGB	rgb(29, 82, 141)
HSL	hsl(212, 66%, 33%)
HSV	hsv(212, 79%, 55%)
CMYK	cmyk(79.4%, 41.8%, 0%, 44.7%)
CIE-LAB	lab(34.43, 4.71, -37.67)
CIE-LCH	lch(34.43, 37.96, 277.13°)
OKLab	oklab(43.57% -0.0313 -0.1077)
OKLCH	oklch(43.57% 0.112 253.8)
XYZ	xyz(8.3299, 8.2179, 26.3413)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D528D #8D581D

analogous

#1D8A8D #1D528D #201D8D

triadic

#1D528D #8D1D52 #528D1D

tetradic

#1D528D #8D1D8A #8D581D #1D8D20

square

#1D528D #8D1D8A #8D581D #1D8D20

split-complementary

#1D528D #8D201D #8A8D1D

monochromatic

#081727 #13345A #1D528D #2770C0 #4B8EDA

Accessibility & contrast

On white

7.94

#1D528D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#1D528D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D528D

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D528D	#FFFFFF	#000000	##FFFFFF
##1D528D	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35568F

Deuteranopia (green-blind)

#234C8C

Tritanopia (blue-blind)

#006068

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1d528d;
/* rgb */ color: rgb(29, 82, 141);
/* oklch */ color: oklch(43.6% 0.112 253.8);

Tailwind

colors: {
  custom: {
    50: '#6b82af',
    500: '#1d528d',
    950: '#000000',
  },
}

SCSS

$custom: #1d528d;
$custom-light: #6b82af;
$custom-dark: #000000;

JSON

{
  "hex": "#1d528d",
  "rgb": {
    "r": 29,
    "g": 82,
    "b": 141
  },
  "hsl": {
    "h": 211.607,
    "s": 65.882,
    "l": 33.333
  },
  "oklch": {
    "l": 0.4357,
    "c": 0.11214,
    "h": 253.8
  },
  "luminance": 0.08219
}

Semantic roles & 50–950 ramp

primary

#1D528D

secondary

#BC864A

accent

#983FE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1D528D

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

Preview Lab → · Contrast checker → · Palette generator →