#334DD4
Closest named color: Blue Blue (#2242C7). oklch(49% 0.208 268.7), rgb(51, 77, 212).
Aa
White text reads best on this color (6.66:1).
About this color
#334DD4 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.208 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.039 away. White text reads best on it, at 6.66:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.208) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.15:1 |
| White text | 6.66:1 |
Values
| HEX | #334DD4 |
| RGB | rgb(51, 77, 212) |
| HSL | hsl(230, 65%, 52%) |
| OKLCH | oklch(49% 0.208 268.7) |
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 #334DD4 | 6.66:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #334DD4 | 3.15:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #334DD4 text on white | 6.66:1 | AA | Lc 82.2 | Fine for body text |
| #334DD4 text on black | 3.15:1 | AA large text | Lc -19.7 | 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 700.
-
Step 50
50
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2EAFE
oklch(93.7% 0.028 268.4)
-
Step 200
200
#CAD8FF
oklch(88.4% 0.056 269.7)
-
Step 300
300
#A7BFFF
oklch(81% 0.095 268.4)
-
Step 400
400
#799AFF
oklch(70.6% 0.153 268.6)
-
Step 500
500
#597DFF
oklch(63.2% 0.197 268.6)
-
Step 600
600
#405FF4
oklch(55.6% 0.225 268.7)
-
Step 700
700 (this color)
#334DD4
oklch(49% 0.208 268.7)
-
Step 800
800
#2A40AB
oklch(42.6% 0.172 268.8)
-
Step 900
900
#253888
oklch(37.7% 0.135 268.8)
-
Step 950
950
#16224F
oklch(27% 0.084 268.9)
#334DD4 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) | #0064D8 | 0.054 |
| Deuteranopia (no green cones) | #0055D1 | 0.030 |
| Tritanopia (no blue cones) | #007189 | 0.165 |
| Achromatopsia (no color) | #5C5C5C | 0.209 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334DD4
#334DD4
oklch(49% 0.208 268.7)
- #785D00
#785D00
oklch(49.2% 0.101 88.9)
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 #334DD4, closest first.
No curated palette has a color within ΔE 0.04 of #334DD4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.039
- Warm Blue #4B57DB ΔE 0.041
- Majorelle Blue #3F37C9 ΔE 0.048
- Azul #1D5DEC ΔE 0.051
- Blue With A Hint Of Purple #533CC6 ΔE 0.055
- Blurple #5539CC ΔE 0.057
- Neon Blue #4361EE ΔE 0.066
- Bluey Purple #6241C7 ΔE 0.070
Use #334DD4 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.