#1D548E#1D548E

#1D548E is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.1% C 0.111 H 252.8°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#1D548E
RGB	rgb(29, 84, 142)
HSL	hsl(211, 66%, 34%)
HSV	hsv(211, 80%, 56%)
CMYK	cmyk(79.6%, 40.8%, 0%, 44.3%)
CIE-LAB	lab(35.11, 3.80, -37.20)
CIE-LCH	lch(35.11, 37.39, 275.83°)
OKLab	oklab(44.12% -0.0329 -0.1062)
OKLCH	oklch(44.12% 0.111 252.8)
XYZ	xyz(8.5577, 8.5538, 26.7860)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D548E #8E571D

analogous

#1D8C8E #1D548E #1E1D8E

triadic

#1D548E #8E1D54 #548E1D

tetradic

#1D548E #8E1D8C #8E571D #1D8E1E

square

#1D548E #8E1D8C #8E571D #1D8E1E

split-complementary

#1D548E #8E1E1D #8C8E1D

monochromatic

#081828 #13365B #1D548E #2772C1 #4B91DA

Accessibility & contrast

On white

7.75

#1D548E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#1D548E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D548E

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D548E	#FFFFFF	#000000	##FFFFFF
##1D548E	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385890

Deuteranopia (green-blind)

#264E8D

Tritanopia (blue-blind)

#00626A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1d548e;
/* rgb */ color: rgb(29, 84, 142);
/* oklch */ color: oklch(44.1% 0.111 252.8);

Tailwind

colors: {
  custom: {
    50: '#6b83af',
    500: '#1d548e',
    950: '#000000',
  },
}

SCSS

$custom: #1d548e;
$custom-light: #6b83af;
$custom-dark: #000000;

JSON

{
  "hex": "#1d548e",
  "rgb": {
    "r": 29,
    "g": 84,
    "b": 142
  },
  "hsl": {
    "h": 210.796,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.44118,
    "c": 0.11123,
    "h": 252.8
  },
  "luminance": 0.08555
}

Semantic roles & 50–950 ramp

primary

#1D548E

secondary

#BD854A

accent

#963FE9

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1D548E

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

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