#1F528E#1F528E

#1F528E is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.7% C 0.113 H 254.7°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#1F528E
RGB	rgb(31, 82, 142)
HSL	hsl(212, 64%, 34%)
HSV	hsv(212, 78%, 56%)
CMYK	cmyk(78.2%, 42.3%, 0%, 44.3%)
CIE-LAB	lab(34.56, 5.36, -38.08)
CIE-LCH	lch(34.56, 38.45, 278.01°)
OKLab	oklab(43.7% -0.0299 -0.1088)
OKLCH	oklch(43.7% 0.113 254.7)
XYZ	xyz(8.4630, 8.2779, 26.7377)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F528E #8E5B1F

analogous

#1F8A8E #1F528E #231F8E

triadic

#1F528E #8E1F52 #528E1F

tetradic

#1F528E #8E1F8A #8E5B1F #1F8E23

square

#1F528E #8E1F8A #8E5B1F #1F8E23

split-complementary

#1F528E #8E231F #8A8E1F

monochromatic

#09182A #14355C #1F528E #2A6FC0 #4F8ED9

Accessibility & contrast

On white

7.91

#1F528E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#1F528E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F528E

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F528E	#FFFFFF	#000000	##FFFFFF
##1F528E	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355790

Deuteranopia (green-blind)

#224D8D

Tritanopia (blue-blind)

#006069

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1f528e;
/* rgb */ color: rgb(31, 82, 142);
/* oklch */ color: oklch(43.7% 0.113 254.7);

Tailwind

colors: {
  custom: {
    50: '#6c82af',
    500: '#1f528e',
    950: '#000000',
  },
}

SCSS

$custom: #1f528e;
$custom-light: #6c82af;
$custom-dark: #000000;

JSON

{
  "hex": "#1f528e",
  "rgb": {
    "r": 31,
    "g": 82,
    "b": 142
  },
  "hsl": {
    "h": 212.432,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.43702,
    "c": 0.11287,
    "h": 254.7
  },
  "luminance": 0.08279
}

Semantic roles & 50–950 ramp

primary

#1F528E

secondary

#BB894D

accent

#9B41E7

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1F528E

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

Preview Lab → · Contrast checker → · Palette generator →