#334CA8
Closest named color: Blueberry (#464196). oklch(45.1% 0.151 268.3), rgb(51, 76, 168).
Aa
White text reads best on this color (7.66:1).
About this color
#334CA8 is a medium-dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.151 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.043 away. White text reads best on it, at 7.66:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.73:1 |
| White text | 7.66:1 |
Values
| HEX | #334CA8 |
| RGB | rgb(51, 76, 168) |
| HSL | hsl(227, 53%, 43%) |
| OKLCH | oklch(45.1% 0.151 268.3) |
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 #334CA8 | 7.66:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #334CA8 | 2.73:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #334CA8 text on white | 7.66:1 | AAA | Lc 86.2 | Fine for body text |
| #334CA8 text on black | 2.73:1 | Fails | Lc -15.8 | 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
#A8BFFA
oklch(80.9% 0.088 267.9)
-
Step 400
400
#7B9BF8
oklch(70.6% 0.141 268.3)
-
Step 500
500
#5C7FF5
oklch(63% 0.18 268.4)
-
Step 600
600
#4465E4
oklch(55.6% 0.196 268.3)
-
Step 700
700
#3753C6
oklch(49.1% 0.182 268.4)
-
Step 800
800 (this color)
#334CA8
oklch(45.1% 0.151 268.3)
-
Step 900
900
#283B7F
oklch(37.7% 0.117 268.5)
-
Step 950
950
#17234A
oklch(26.9% 0.074 268.3)
#334CA8 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) | #0359AB | 0.040 |
| Deuteranopia (no green cones) | #004EA6 | 0.033 |
| Tritanopia (no blue cones) | #006272 | 0.123 |
| Achromatopsia (no color) | #535353 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334CA8
#334CA8
oklch(45.1% 0.151 268.3)
- #6B5200
#6B5200
oklch(45.2% 0.092 88.2)
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 #334CA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.043
- Cobalt #1E488F ΔE 0.048
- Dusk Blue #26538D ΔE 0.052
- Sapphire #2138AB ΔE 0.056
- Blue Blue #2242C7 ΔE 0.058
- Denim Blue #3B5B92 ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.062
- Twilight #4E518B ΔE 0.062
Use #334CA8 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.