#1D5AAC#1D5AAC

#1D5AAC is a mid, vivid cyan. Relative luminance 0.106; OKLCH L 47.6% C 0.145 H 257.4°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#1D5AAC
RGB	rgb(29, 90, 172)
HSL	hsl(214, 71%, 39%)
HSV	hsv(214, 83%, 67%)
CMYK	cmyk(83.1%, 47.7%, 0%, 32.5%)
CIE-LAB	lab(38.81, 11.80, -49.27)
CIE-LCH	lch(38.81, 50.66, 283.47°)
OKLab	oklab(47.6% -0.0317 -0.1416)
OKLCH	oklch(47.6% 0.145 257.4)
XYZ	xyz(11.6065, 10.5507, 40.4465)
Luminance	0.1055 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5AAC #AC6F1D

analogous

#1DA1AC #1D5AAC #281DAC

triadic

#1D5AAC #AC1D5A #5AAC1D

tetradic

#1D5AAC #AC1DA1 #AC6F1D #1DAC28

square

#1D5AAC #AC1DA1 #AC6F1D #1DAC28

split-complementary

#1D5AAC #AC281D #A1AC1D

monochromatic

#0B2343 #143F78 #1D5AAC #2B76DB #5F98E4

Accessibility & contrast

On white

6.75

#1D5AAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#1D5AAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5AAC

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5AAC	#FFFFFF	#000000	##FFFFFF
##1D5AAC	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C62AF

Deuteranopia (green-blind)

#0055AA

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1d5aac;
/* rgb */ color: rgb(29, 90, 172);
/* oklch */ color: oklch(47.6% 0.145 257.4);

Tailwind

colors: {
  custom: {
    50: '#7288c5',
    500: '#1d5aac',
    950: '#000000',
  },
}

SCSS

$custom: #1d5aac;
$custom-light: #7288c5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5aac",
  "rgb": {
    "r": 29,
    "g": 90,
    "b": 172
  },
  "hsl": {
    "h": 214.406,
    "s": 71.144,
    "l": 39.412
  },
  "oklch": {
    "l": 0.47602,
    "c": 0.14511,
    "h": 257.4
  },
  "luminance": 0.10552
}

Semantic roles & 50–950 ramp

primary

#1D5AAC

secondary

#C89A5C

accent

#A13AEE

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #1D5AAC

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

Preview Lab → · Contrast checker → · Palette generator →