#1D5EA8#1D5EA8

#1D5EA8 is a mid, vivid cyan. Relative luminance 0.111; OKLCH L 48.2% C 0.135 H 254.7°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#1D5EA8
RGB	rgb(29, 94, 168)
HSL	hsl(212, 71%, 39%)
HSV	hsv(212, 83%, 66%)
CMYK	cmyk(82.7%, 44%, 0%, 34.1%)
CIE-LAB	lab(39.74, 7.59, -45.42)
CIE-LCH	lch(39.74, 46.05, 279.49°)
OKLab	oklab(48.23% -0.0356 -0.1302)
OKLCH	oklch(48.23% 0.135 254.7)
XYZ	xyz(11.5746, 11.0923, 38.5692)
Luminance	0.1109 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5EA8 #A8671D

analogous

#1DA3A8 #1D5EA8 #211DA8

triadic

#1D5EA8 #A81D5E #5EA81D

tetradic

#1D5EA8 #A81DA3 #A8671D #1DA821

square

#1D5EA8 #A81DA3 #A8671D #1DA821

split-complementary

#1D5EA8 #A8211D #A3A81D

monochromatic

#0B2440 #144174 #1D5EA8 #287BDA #5C9BE3

Accessibility & contrast

On white

6.52

#1D5EA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#1D5EA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5EA8

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5EA8	#FFFFFF	#000000	##FFFFFF
##1D5EA8	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3864AB

Deuteranopia (green-blind)

#1C58A7

Tritanopia (blue-blind)

#00707B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1d5ea8;
/* rgb */ color: rgb(29, 94, 168);
/* oklch */ color: oklch(48.2% 0.135 254.7);

Tailwind

colors: {
  custom: {
    50: '#718bc2',
    500: '#1d5ea8',
    950: '#000000',
  },
}

SCSS

$custom: #1d5ea8;
$custom-light: #718bc2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5ea8",
  "rgb": {
    "r": 29,
    "g": 94,
    "b": 168
  },
  "hsl": {
    "h": 211.942,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.48233,
    "c": 0.13499,
    "h": 254.7
  },
  "luminance": 0.11094
}

Semantic roles & 50–950 ramp

primary

#1D5EA8

secondary

#C7945A

accent

#9A3AED

background

#F7F8FC

surface

#EDF0F8

border

#C8CBD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1D5EA8

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

Preview Lab → · Contrast checker → · Palette generator →