#334FA8
Closest named color: Blueberry (#464196). oklch(45.8% 0.147 267.2), rgb(51, 79, 168).
Aa
White text reads best on this color (7.43:1).
About this color
#334FA8 is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.147 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.047 away. White text reads best on it, at 7.43:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.82:1 |
| White text | 7.43:1 |
Values
| HEX | #334FA8 |
| RGB | rgb(51, 79, 168) |
| HSL | hsl(226, 53%, 43%) |
| OKLCH | oklch(45.8% 0.147 267.2) |
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 #334FA8 | 7.43:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #334FA8 | 2.82:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #334FA8 text on white | 7.43:1 | AAA | Lc 85.5 | Fine for body text |
| #334FA8 text on black | 2.82:1 | Fails | Lc -16.6 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#CBD9FA
oklch(88.5% 0.048 267.2)
-
Step 300
300
#A8BFF9
oklch(80.8% 0.086 267.7)
-
Step 400
400
#7A9CF6
oklch(70.6% 0.138 267.2)
-
Step 500
500
#5A81F2
oklch(63.1% 0.175 267)
-
Step 600
600
#4267E1
oklch(55.6% 0.19 267.2)
-
Step 700
700
#3455C3
oklch(49.1% 0.176 267)
-
Step 800
800 (this color)
#334FA8
oklch(45.8% 0.147 267.2)
-
Step 900
900
#273C7E
oklch(37.8% 0.115 267.4)
-
Step 950
950
#172449
oklch(27.1% 0.071 267.1)
#334FA8 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) | #145BAB | 0.035 |
| Deuteranopia (no green cones) | #0050A6 | 0.032 |
| Tritanopia (no blue cones) | #006474 | 0.119 |
| Achromatopsia (no color) | #555555 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334FA8
#334FA8
oklch(45.8% 0.147 267.2)
- #6E5300
#6E5300
oklch(45.8% 0.094 86.8)
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 #334FA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.047
- Dusk Blue #26538D ΔE 0.049
- Cobalt #1E488F ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.054
- Twilight #4E518B ΔE 0.059
- Blue Blue #2242C7 ΔE 0.062
- Sapphire #2138AB ΔE 0.063
- Light Navy Blue #2E5A88 ΔE 0.065
Use #334FA8 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.