#334DAC
Closest named color: Blueberry (#464196). oklch(45.7% 0.155 268.1), rgb(51, 77, 172).
Aa
White text reads best on this color (7.50:1).
About this color
#334DAC is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.155 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.049 away. White text reads best on it, at 7.50:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.79:1 |
| White text | 7.50:1 |
Values
| HEX | #334DAC |
| RGB | rgb(51, 77, 172) |
| HSL | hsl(227, 54%, 44%) |
| OKLCH | oklch(45.7% 0.155 268.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #334DAC | 7.50:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #334DAC | 2.79:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #334DAC text on white | 7.50:1 | AAA | Lc 85.7 | Fine for body text |
| #334DAC text on black | 2.79:1 | Fails | Lc -16.4 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CBD9FB
oklch(88.6% 0.049 267.7)
-
Step 300
300
#A8BFFC
oklch(80.9% 0.09 268.4)
-
Step 400
400
#7A9BFB
oklch(70.7% 0.146 268.2)
-
Step 500
500
#5A7FF8
oklch(63.1% 0.185 268)
-
Step 600
600
#4264E7
oklch(55.5% 0.202 268.1)
-
Step 700
700
#3552C9
oklch(49.1% 0.188 268.1)
-
Step 800
800 (this color)
#334DAC
oklch(45.7% 0.155 268.1)
-
Step 900
900
#273B81
oklch(37.8% 0.121 268.2)
-
Step 950
950
#17234B
oklch(27% 0.076 268.4)
#334DAC with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #005AAF | 0.040 |
| Deuteranopia (no green cones) | #004FAA | 0.032 |
| Tritanopia (no blue cones) | #006475 | 0.125 |
| Achromatopsia (no color) | #555555 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334DAC
#334DAC
oklch(45.7% 0.155 268.1)
- #6D5300
#6D5300
oklch(45.7% 0.093 87.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #334DAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.049
- Blue Blue #2242C7 ΔE 0.054
- Cobalt #1E488F ΔE 0.055
- Dusk Blue #26538D ΔE 0.057
- Sapphire #2138AB ΔE 0.057
- Denim Blue #3B5B92 ΔE 0.062
- Majorelle Blue #3F37C9 ΔE 0.065
- Twilight #4E518B ΔE 0.066
Use #334DAC in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.