#10274C#10274C

#10274C is a dark, moderate blue. Relative luminance 0.021; OKLCH L 27.7% C 0.074 H 259.5°. Best body text is #FFFFFF at 14.82:1 contrast (WCAG AA passes).

Color values

HEX	#10274C
RGB	rgb(16, 39, 76)
HSL	hsl(217, 65%, 18%)
HSV	hsv(217, 79%, 30%)
CMYK	cmyk(78.9%, 48.7%, 0%, 70.2%)
CIE-LAB	lab(15.92, 5.85, -25.55)
CIE-LCH	lch(15.92, 26.21, 282.90°)
OKLab	oklab(27.69% -0.0135 -0.0731)
OKLCH	oklch(27.69% 0.074 259.5)
XYZ	xyz(2.2432, 2.0828, 7.1199)
Luminance	0.0208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10274C #4C3510

analogous

#10454C #10274C #17104C

triadic

#10274C #4C1027 #274C10

tetradic

#10274C #4C1045 #4C3510 #104C17

square

#10274C #4C1045 #4C3510 #104C17

split-complementary

#10274C #4C1710 #454C10

monochromatic

#050D19 #050D19 #10274C #1B417F #255BB1

Accessibility & contrast

On white

14.82

#10274C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#10274C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10274C

14.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10274C	#FFFFFF	#000000	##FFFFFF
##10274C	1.00	14.82	1.42	14.82
#FFFFFF	14.82	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#152B4D

Deuteranopia (green-blind)

#0A254B

Tritanopia (blue-blind)

#003035

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #10274c;
/* rgb */ color: rgb(16, 39, 76);
/* oklch */ color: oklch(27.7% 0.074 259.5);

Tailwind

colors: {
  custom: {
    50: '#57607e',
    500: '#10274c',
    950: '#000000',
  },
}

SCSS

$custom: #10274c;
$custom-light: #57607e;
$custom-dark: #000000;

JSON

{
  "hex": "#10274c",
  "rgb": {
    "r": 16,
    "g": 39,
    "b": 76
  },
  "hsl": {
    "h": 217,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.27692,
    "c": 0.07434,
    "h": 259.5
  },
  "luminance": 0.02083
}

Semantic roles & 50–950 ramp

primary

#10274C

secondary

#866632

accent

#A840E8

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04040A

muted

#79797C

Preview Lab

Preview with #10274C

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

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