#1D5EA9#1D5EA9

#1D5EA9 is a mid, vivid cyan. Relative luminance 0.111; OKLCH L 48.3% C 0.136 H 254.9°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#1D5EA9
RGB	rgb(29, 94, 169)
HSL	hsl(212, 71%, 39%)
HSV	hsv(212, 83%, 66%)
CMYK	cmyk(82.8%, 44.4%, 0%, 33.7%)
CIE-LAB	lab(39.80, 7.99, -45.91)
CIE-LCH	lch(39.80, 46.60, 279.87°)
OKLab	oklab(48.3% -0.0354 -0.1316)
OKLCH	oklch(48.3% 0.136 254.9)
XYZ	xyz(11.6682, 11.1298, 39.0617)
Luminance	0.1113 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5EA9 #A9681D

analogous

#1DA4A9 #1D5EA9 #221DA9

triadic

#1D5EA9 #A91D5E #5EA91D

tetradic

#1D5EA9 #A91DA4 #A9681D #1DA922

square

#1D5EA9 #A91DA4 #A9681D #1DA922

split-complementary

#1D5EA9 #A9221D #A4A91D

monochromatic

#0B2441 #144175 #1D5EA9 #297BDA #5D9BE3

Accessibility & contrast

On white

6.51

#1D5EA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#1D5EA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5EA9

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5EA9	#FFFFFF	#000000	##FFFFFF
##1D5EA9	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3764AC

Deuteranopia (green-blind)

#1A58A8

Tritanopia (blue-blind)

#00707B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1d5ea9;
/* rgb */ color: rgb(29, 94, 169);
/* oklch */ color: oklch(48.3% 0.136 254.9);

Tailwind

colors: {
  custom: {
    50: '#718bc3',
    500: '#1d5ea9',
    950: '#000000',
  },
}

SCSS

$custom: #1d5ea9;
$custom-light: #718bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5ea9",
  "rgb": {
    "r": 29,
    "g": 94,
    "b": 169
  },
  "hsl": {
    "h": 212.143,
    "s": 70.707,
    "l": 38.824
  },
  "oklch": {
    "l": 0.48301,
    "c": 0.13634,
    "h": 254.9
  },
  "luminance": 0.11131
}

Semantic roles & 50–950 ramp

primary

#1D5EA9

secondary

#C7955A

accent

#9A3AED

background

#F7F8FC

surface

#EDF0F8

border

#C8CBD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1D5EA9

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

Preview Lab → · Contrast checker → · Palette generator →