#1D4D8E#1D4D8E

#1D4D8E is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.4% C 0.119 H 257.1°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#1D4D8E
RGB	rgb(29, 77, 142)
HSL	hsl(215, 66%, 34%)
HSV	hsv(215, 80%, 56%)
CMYK	cmyk(79.6%, 45.8%, 0%, 44.3%)
CIE-LAB	lab(32.96, 8.44, -40.63)
CIE-LCH	lch(32.96, 41.49, 281.74°)
OKLab	oklab(42.45% -0.0266 -0.1165)
OKLCH	oklch(42.45% 0.119 257.1)
XYZ	xyz(8.0413, 7.5210, 26.6138)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4D8E #8E5E1D

analogous

#1D858E #1D4D8E #251D8E

triadic

#1D4D8E #8E1D4D #4D8E1D

tetradic

#1D4D8E #8E1D85 #8E5E1D #1D8E25

square

#1D4D8E #8E1D85 #8E5E1D #1D8E25

split-complementary

#1D4D8E #8E251D #858E1D

monochromatic

#081628 #13315B #1D4D8E #2769C1 #4B88DA

Accessibility & contrast

On white

8.39

#1D4D8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#1D4D8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4D8E

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4D8E	#FFFFFF	#000000	##FFFFFF
##1D4D8E	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)

#2B5390

Deuteranopia (green-blind)

#13498D

Tritanopia (blue-blind)

#005C66

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1d4d8e;
/* rgb */ color: rgb(29, 77, 142);
/* oklch */ color: oklch(42.4% 0.119 257.1);

Tailwind

colors: {
  custom: {
    50: '#6b7eaf',
    500: '#1d4d8e',
    950: '#000000',
  },
}

SCSS

$custom: #1d4d8e;
$custom-light: #6b7eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4d8e",
  "rgb": {
    "r": 29,
    "g": 77,
    "b": 142
  },
  "hsl": {
    "h": 214.513,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.4245,
    "c": 0.11947,
    "h": 257.1
  },
  "luminance": 0.07522
}

Semantic roles & 50–950 ramp

primary

#1D4D8E

secondary

#BD8C4A

accent

#A13FE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #1D4D8E

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

Preview Lab → · Contrast checker → · Palette generator →