#1D58AA#1D58AA

#1D58AA is a mid, vivid cyan. Relative luminance 0.101; OKLCH L 47.0% C 0.145 H 257.8°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#1D58AA
RGB	rgb(29, 88, 170)
HSL	hsl(215, 71%, 39%)
HSV	hsv(215, 83%, 67%)
CMYK	cmyk(82.9%, 48.2%, 0%, 33.3%)
CIE-LAB	lab(38.10, 12.32, -49.24)
CIE-LCH	lch(38.10, 50.75, 284.05°)
OKLab	oklab(47.01% -0.0305 -0.1416)
OKLCH	oklch(47.01% 0.145 257.8)
XYZ	xyz(11.2494, 10.1416, 39.3870)
Luminance	0.1014 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D58AA #AA6F1D

analogous

#1D9FAA #1D58AA #291DAA

triadic

#1D58AA #AA1D58 #58AA1D

tetradic

#1D58AA #AA1D9F #AA6F1D #1DAA29

square

#1D58AA #AA1D9F #AA6F1D #1DAA29

split-complementary

#1D58AA #AA291D #9FAA1D

monochromatic

#0B2241 #143D76 #1D58AA #2A74DB #5E96E4

Accessibility & contrast

On white

6.93

#1D58AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#1D58AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D58AA

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D58AA	#FFFFFF	#000000	##FFFFFF
##1D58AA	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2960AD

Deuteranopia (green-blind)

#0054A8

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1d58aa;
/* rgb */ color: rgb(29, 88, 170);
/* oklch */ color: oklch(47.0% 0.145 257.8);

Tailwind

colors: {
  custom: {
    50: '#7286c4',
    500: '#1d58aa',
    950: '#000000',
  },
}

SCSS

$custom: #1d58aa;
$custom-light: #7286c4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d58aa",
  "rgb": {
    "r": 29,
    "g": 88,
    "b": 170
  },
  "hsl": {
    "h": 214.894,
    "s": 70.854,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47006,
    "c": 0.14482,
    "h": 257.8
  },
  "luminance": 0.10143
}

Semantic roles & 50–950 ramp

primary

#1D58AA

secondary

#C89A5B

accent

#A33AEE

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #1D58AA

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

Preview Lab → · Contrast checker → · Palette generator →