#334BA2
Closest named color: Blueberry (#464196). oklch(44.5% 0.144 268.4), rgb(51, 75, 162).
Aa
White text reads best on this color (7.86:1).
About this color
#334BA2 is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.144 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.037 away. White text reads best on it, at 7.86:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.66:1 |
| White text | 7.86:1 |
Values
| HEX | #334BA2 |
| RGB | rgb(51, 75, 162) |
| HSL | hsl(227, 52%, 42%) |
| OKLCH | oklch(44.5% 0.144 268.4) |
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 #334BA2 | 7.86:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #334BA2 | 2.66:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #334BA2 text on white | 7.86:1 | AAA | Lc 86.9 | Fine for body text |
| #334BA2 text on black | 2.66:1 | Fails | Lc -15.2 | 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
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CCD9F9
oklch(88.6% 0.046 267.9)
-
Step 300
300
#AABFF8
oklch(80.9% 0.084 268.8)
-
Step 400
400
#7D9CF4
oklch(70.7% 0.134 268.2)
-
Step 500
500
#5E80F0
oklch(63% 0.172 268.4)
-
Step 600
600
#4667DF
oklch(55.7% 0.187 268.2)
-
Step 700
700
#3954C1
oklch(49% 0.173 268.6)
-
Step 800
800 (this color)
#334BA2
oklch(44.5% 0.144 268.4)
-
Step 900
900
#293C7C
oklch(37.8% 0.111 268.3)
-
Step 950
950
#182349
oklch(26.9% 0.072 269)
#334BA2 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) | #1057A5 | 0.037 |
| Deuteranopia (no green cones) | #004DA0 | 0.034 |
| Tritanopia (no blue cones) | #00606F | 0.118 |
| Achromatopsia (no color) | #525252 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334BA2
#334BA2
oklch(44.5% 0.144 268.4)
- #685000
#685000
oklch(44.4% 0.091 88.6)
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 #334BA2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.037
- Cobalt #1E488F ΔE 0.040
- Dusk Blue #26538D ΔE 0.045
- Dark Slate Blue #483D8B ΔE 0.054
- Sapphire #2138AB ΔE 0.055
- Denim Blue #3B5B92 ΔE 0.057
- Twilight #4E518B ΔE 0.057
- Light Navy #155084 ΔE 0.060
Use #334BA2 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.