#10274D#10274D

#10274D is a dark, moderate blue. Relative luminance 0.021; OKLCH L 27.8% C 0.076 H 259.9°. Best body text is #FFFFFF at 14.79:1 contrast (WCAG AA passes).

Color values

HEX	#10274D
RGB	rgb(16, 39, 77)
HSL	hsl(217, 66%, 18%)
HSV	hsv(217, 79%, 30%)
CMYK	cmyk(79.2%, 49.4%, 0%, 69.8%)
CIE-LAB	lab(15.99, 6.29, -26.11)
CIE-LCH	lch(15.99, 26.86, 283.54°)
OKLab	oklab(27.77% -0.0133 -0.0748)
OKLCH	oklch(27.77% 0.076 259.9)
XYZ	xyz(2.2783, 2.0968, 7.3044)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10274D #4D3610

analogous

#10454D #10274D #17104D

triadic

#10274D #4D1027 #274D10

tetradic

#10274D #4D1045 #4D3610 #104D17

square

#10274D #4D1045 #4D3610 #104D17

split-complementary

#10274D #4D1710 #454D10

monochromatic

#050D19 #050D1A #10274D #1B4180 #255AB2

Accessibility & contrast

On white

14.79

#10274D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#10274D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10274D

14.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10274D	#FFFFFF	#000000	##FFFFFF
##10274D	1.00	14.79	1.42	14.79
#FFFFFF	14.79	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#142B4E

Deuteranopia (green-blind)

#08254C

Tritanopia (blue-blind)

#003036

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #10274d;
/* rgb */ color: rgb(16, 39, 77);
/* oklch */ color: oklch(27.8% 0.076 259.9);

Tailwind

colors: {
  custom: {
    50: '#58607f',
    500: '#10274d',
    950: '#000000',
  },
}

SCSS

$custom: #10274d;
$custom-light: #58607f;
$custom-dark: #000000;

JSON

{
  "hex": "#10274d",
  "rgb": {
    "r": 16,
    "g": 39,
    "b": 77
  },
  "hsl": {
    "h": 217.377,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.27771,
    "c": 0.07594,
    "h": 259.9
  },
  "luminance": 0.02097
}

Semantic roles & 50–950 ramp

primary

#10274D

secondary

#876732

accent

#A93FE9

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04040A

muted

#79797C

Preview Lab

Preview with #10274D

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

Preview Lab → · Contrast checker → · Palette generator →