Recognised as Colour
#030A1F
- #030A1F
- Blue
- Dark
- Nearest: Black
#030A1F is a blue with RGB values 3, 10, 31 and HSL 225°, 82%, 7%. It is a dark colour, so white text on it reaches 19.7:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#030A1F#030A1F
HEX#030A1F
RGBrgb(3, 10, 31)
RGB (0–1)0.0118, 0.0392, 0.1216
RGB percentages1.2%, 3.9%, 12.2%
HSLhsl(225, 82.4%, 6.7%)
HSV / HSBhsv(225, 90.3%, 12.2%)
CMYK90.3%, 67.7%, 0%, 87.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer199,199
CSS custom property--colour: #030A1F;
Brightness & contrast
Relative luminance0.00335WCAG 2.x, 0 is black and 1 is white
Perceived brightness13.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.68:1
Contrast with white19.68:1WCAG normal text: AAA
Contrast with black1.07:1WCAG normal text: Fail
Greyscale equivalent#0A0A0A
Inverted#FCF5E0
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.68:1WCAG large text: AAA
Contrast with black, large text1.07:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1F1803
Analogous#03181F, #0A031F
Triadic#1F030A, #0A1F03
Split complementary#1F0A03, #181F03
Tetradic#1F0318, #1F1803, #031F0A
Tints, shades & saturation
Channel breakdown
R3
G10
B31
Red3 (1.2%)
Green10 (3.9%)
Blue31 (12.2%)
Hue225°
Saturation (HSL)82.35%
Lightness6.67%
Dominant channelBlue
Hex per channelR 03 · G 0A · B 1F
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Harmonies
Similar named colours
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