#1F528D#1F528D

#1F528D is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.6% C 0.111 H 254.3°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#1F528D
RGB	rgb(31, 82, 141)
HSL	hsl(212, 64%, 34%)
HSV	hsv(212, 78%, 55%)
CMYK	cmyk(78%, 41.8%, 0%, 44.7%)
CIE-LAB	lab(34.49, 4.96, -37.57)
CIE-LCH	lch(34.49, 37.89, 277.53°)
OKLab	oklab(43.64% -0.0301 -0.1073)
OKLCH	oklch(43.64% 0.111 254.3)
XYZ	xyz(8.3883, 8.2480, 26.3441)
Luminance	0.0825 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F528D #8D5A1F

analogous

#1F898D #1F528D #231F8D

triadic

#1F528D #8D1F52 #528D1F

tetradic

#1F528D #8D1F89 #8D5A1F #1F8D23

square

#1F528D #8D1F89 #8D5A1F #1F8D23

split-complementary

#1F528D #8D231F #898D1F

monochromatic

#091829 #14355B #1F528D #2A6FBF #4E8ED8

Accessibility & contrast

On white

7.93

#1F528D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#1F528D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F528D

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F528D	#FFFFFF	#000000	##FFFFFF
##1F528D	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36578F

Deuteranopia (green-blind)

#234C8C

Tritanopia (blue-blind)

#006068

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1f528d;
/* rgb */ color: rgb(31, 82, 141);
/* oklch */ color: oklch(43.6% 0.111 254.3);

Tailwind

colors: {
  custom: {
    50: '#6b82af',
    500: '#1f528d',
    950: '#000000',
  },
}

SCSS

$custom: #1f528d;
$custom-light: #6b82af;
$custom-dark: #000000;

JSON

{
  "hex": "#1f528d",
  "rgb": {
    "r": 31,
    "g": 82,
    "b": 141
  },
  "hsl": {
    "h": 212.182,
    "s": 63.953,
    "l": 33.725
  },
  "oklch": {
    "l": 0.43635,
    "c": 0.11149,
    "h": 254.3
  },
  "luminance": 0.08249
}

Semantic roles & 50–950 ramp

primary

#1F528D

secondary

#BB884D

accent

#9A41E7

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1F528D

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

Preview Lab → · Contrast checker → · Palette generator →