#010A30#010A30

#010A30 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.9% C 0.078 H 263.7°. Best body text is #FFFFFF at 19.31:1 contrast (WCAG AA passes).

Color values

HEX	#010A30
RGB	rgb(1, 10, 48)
HSL	hsl(229, 96%, 10%)
HSV	hsv(229, 98%, 19%)
CMYK	cmyk(97.9%, 79.2%, 0%, 81.2%)
CIE-LAB	lab(3.95, 9.80, -24.96)
CIE-LCH	lch(3.95, 26.82, 291.43°)
OKLab	oklab(16.86% -0.0086 -0.0773)
OKLCH	oklch(16.86% 0.078 263.7)
XYZ	xyz(0.6544, 0.4368, 2.8456)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.74

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010A30 #302701

analogous

#012230 #010A30 #100130

triadic

#010A30 #30010A #0A3001

tetradic

#010A30 #300122 #302701 #013010

square

#010A30 #300122 #302701 #013010

split-complementary

#010A30 #301001 #223001

monochromatic

#01061E #01061E #010A30 #02166C #0323A8

Accessibility & contrast

On white

19.31

#010A30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#010A30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010A30

19.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010A30	#FFFFFF	#000000	##FFFFFF
##010A30	1.00	19.31	1.09	19.31
#FFFFFF	19.31	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001031

Deuteranopia (green-blind)

#000C2F

Tritanopia (blue-blind)

#00141B

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #010a30;
/* rgb */ color: rgb(1, 10, 48);
/* oklch */ color: oklch(16.9% 0.078 263.7);

Tailwind

colors: {
  custom: {
    50: '#494b68',
    500: '#010a30',
    950: '#000000',
  },
}

SCSS

$custom: #010a30;
$custom-light: #494b68;
$custom-dark: #000000;

JSON

{
  "hex": "#010a30",
  "rgb": {
    "r": 1,
    "g": 10,
    "b": 48
  },
  "hsl": {
    "h": 228.511,
    "s": 95.918,
    "l": 9.608
  },
  "oklch": {
    "l": 0.16856,
    "c": 0.07778,
    "h": 263.7
  },
  "luminance": 0.00437
}

Semantic roles & 50–950 ramp

primary

#010A30

secondary

#766417

accent

#D629FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #010A30

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

Preview Lab → · Contrast checker → · Palette generator →