#1D4E89#1D4E89

#1D4E89 is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.3% C 0.111 H 255.1°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E89
RGB	rgb(29, 78, 137)
HSL	hsl(213, 65%, 33%)
HSV	hsv(213, 79%, 54%)
CMYK	cmyk(78.8%, 43.1%, 0%, 46.3%)
CIE-LAB	lab(32.95, 5.77, -37.58)
CIE-LCH	lch(32.95, 38.02, 278.72°)
OKLab	oklab(42.34% -0.0286 -0.1075)
OKLCH	oklch(42.34% 0.111 255.1)
XYZ	xyz(7.7448, 7.5152, 24.7045)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E89 #89581D

analogous

#1D8489 #1D4E89 #221D89

triadic

#1D4E89 #891D4E #4E891D

tetradic

#1D4E89 #891D84 #89581D #1D8922

square

#1D4E89 #891D84 #89581D #1D8922

split-complementary

#1D4E89 #89221D #84891D

monochromatic

#081424 #123156 #1D4E89 #286BBC #488AD8

Accessibility & contrast

On white

8.39

#1D4E89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#1D4E89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E89

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E89	#FFFFFF	#000000	##FFFFFF
##1D4E89	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31538B

Deuteranopia (green-blind)

#1E4988

Tritanopia (blue-blind)

#005C64

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1d4e89;
/* rgb */ color: rgb(29, 78, 137);
/* oklch */ color: oklch(42.3% 0.111 255.1);

Tailwind

colors: {
  custom: {
    50: '#6a7fac',
    500: '#1d4e89',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e89;
$custom-light: #6a7fac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e89",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 137
  },
  "hsl": {
    "h": 212.778,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.42338,
    "c": 0.11124,
    "h": 255.1
  },
  "luminance": 0.07516
}

Semantic roles & 50–950 ramp

primary

#1D4E89

secondary

#BA8647

accent

#9C40E8

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1D4E89

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

Preview Lab → · Contrast checker → · Palette generator →