#1D4E88#1D4E88

#1D4E88 is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.3% C 0.110 H 254.8°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E88
RGB	rgb(29, 78, 136)
HSL	hsl(213, 65%, 32%)
HSV	hsv(213, 79%, 53%)
CMYK	cmyk(78.7%, 42.6%, 0%, 46.7%)
CIE-LAB	lab(32.89, 5.37, -37.07)
CIE-LCH	lch(32.89, 37.45, 278.24°)
OKLab	oklab(42.27% -0.0288 -0.106)
OKLCH	oklch(42.27% 0.11 254.8)
XYZ	xyz(7.6734, 7.4867, 24.3284)
Luminance	0.0749 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E88 #88571D

analogous

#1D8488 #1D4E88 #211D88

triadic

#1D4E88 #881D4E #4E881D

tetradic

#1D4E88 #881D84 #88571D #1D8821

square

#1D4E88 #881D84 #88571D #1D8821

split-complementary

#1D4E88 #88211D #84881D

monochromatic

#071423 #123156 #1D4E88 #286BBA #488AD8

Accessibility & contrast

On white

8.41

#1D4E88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#1D4E88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E88

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E88	#FFFFFF	#000000	##FFFFFF
##1D4E88	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32538A

Deuteranopia (green-blind)

#1F4987

Tritanopia (blue-blind)

#005C64

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1d4e88;
/* rgb */ color: rgb(29, 78, 136);
/* oklch */ color: oklch(42.3% 0.110 254.8);

Tailwind

colors: {
  custom: {
    50: '#6a7fab',
    500: '#1d4e88',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e88;
$custom-light: #6a7fab;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e88",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 136
  },
  "hsl": {
    "h": 212.523,
    "s": 64.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.42269,
    "c": 0.10984,
    "h": 254.8
  },
  "luminance": 0.07488
}

Semantic roles & 50–950 ramp

primary

#1D4E88

secondary

#BA8547

accent

#9B40E8

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1D4E88

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

Preview Lab → · Contrast checker → · Palette generator →