#334F94
Closest named color: Dusk Blue (#26538D). oklch(44.3% 0.118 265.3), rgb(51, 79, 148).
Aa
White text reads best on this color (7.81:1).
About this color
#334F94 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.118 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.021 away. White text reads best on it, at 7.81:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.68:1 |
| White text | 7.81:1 |
Values
| HEX | #334F94 |
| RGB | rgb(51, 79, 148) |
| HSL | hsl(223, 49%, 39%) |
| OKLCH | oklch(44.3% 0.118 265.3) |
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 #334F94 | 7.81:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #334F94 | 2.68:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #334F94 text on white | 7.81:1 | AAA | Lc 86.9 | Fine for body text |
| #334F94 text on black | 2.68:1 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CDD9F3
oklch(88.4% 0.038 265.8)
-
Step 300
300
#ABC0EE
oklch(80.8% 0.069 265.7)
-
Step 400
400
#7F9FE6
oklch(70.7% 0.111 265.2)
-
Step 500
500
#6085DE
oklch(63% 0.141 265.5)
-
Step 600
600
#476DCC
oklch(55.6% 0.153 265.3)
-
Step 700
700
#395BB1
oklch(49.2% 0.142 265.3)
-
Step 800
800 (this color)
#334F94
oklch(44.3% 0.118 265.3)
-
Step 900
900
#293F72
oklch(37.7% 0.092 264.8)
-
Step 950
950
#182543
oklch(27% 0.059 265)
#334F94 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) | #2D5797 | 0.022 |
| Deuteranopia (no green cones) | #1C4E93 | 0.022 |
| Tritanopia (no blue cones) | #005F6A | 0.100 |
| Achromatopsia (no color) | #525252 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334F94
#334F94
oklch(44.3% 0.118 265.3)
- #6A4F00
#6A4F00
oklch(44.4% 0.091 85.8)
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 #334F94, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.021
- Cobalt #1E488F ΔE 0.032
- Denim Blue #3B5B92 ΔE 0.038
- Light Navy #155084 ΔE 0.039
- Twilight #4E518B ΔE 0.040
- Light Navy Blue #2E5A88 ΔE 0.041
- Blueberry #464196 ΔE 0.042
- Deep Sea Blue #015482 ΔE 0.049
Use #334F94 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.