#1D4B88#1D4B88

#1D4B88 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.6% C 0.113 H 256.7°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#1D4B88
RGB	rgb(29, 75, 136)
HSL	hsl(214, 65%, 32%)
HSV	hsv(214, 79%, 53%)
CMYK	cmyk(78.7%, 44.9%, 0%, 46.7%)
CIE-LAB	lab(31.97, 7.38, -38.55)
CIE-LCH	lch(31.97, 39.25, 280.83°)
OKLab	oklab(41.55% -0.0261 -0.1104)
OKLCH	oklch(41.55% 0.113 256.7)
XYZ	xyz(7.4651, 7.0701, 24.2590)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4B88 #885A1D

analogous

#1D8088 #1D4B88 #251D88

triadic

#1D4B88 #881D4B #4B881D

tetradic

#1D4B88 #881D80 #885A1D #1D8825

square

#1D4B88 #881D80 #885A1D #1D8825

split-complementary

#1D4B88 #88251D #80881D

monochromatic

#071323 #122F56 #1D4B88 #2867BA #4886D8

Accessibility & contrast

On white

8.70

#1D4B88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#1D4B88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4B88

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4B88	#FFFFFF	#000000	##FFFFFF
##1D4B88	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C508A

Deuteranopia (green-blind)

#184787

Tritanopia (blue-blind)

#005963

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1d4b88;
/* rgb */ color: rgb(29, 75, 136);
/* oklch */ color: oklch(41.6% 0.113 256.7);

Tailwind

colors: {
  custom: {
    50: '#6a7cab',
    500: '#1d4b88',
    950: '#000000',
  },
}

SCSS

$custom: #1d4b88;
$custom-light: #6a7cab;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4b88",
  "rgb": {
    "r": 29,
    "g": 75,
    "b": 136
  },
  "hsl": {
    "h": 214.206,
    "s": 64.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.41552,
    "c": 0.11342,
    "h": 256.7
  },
  "luminance": 0.07071
}

Semantic roles & 50–950 ramp

primary

#1D4B88

secondary

#BA8847

accent

#A040E8

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1D4B88

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

Preview Lab → · Contrast checker → · Palette generator →