#334E8E
Closest named color: Dusk Blue (#26538D). oklch(43.7% 0.111 265), rgb(51, 78, 142).
Aa
White text reads best on this color (8.01:1).
About this color
#334E8E is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.111 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.018 away. White text reads best on it, at 8.01:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.62:1 |
| White text | 8.01:1 |
Values
| HEX | #334E8E |
| RGB | rgb(51, 78, 142) |
| HSL | hsl(222, 47%, 38%) |
| OKLCH | oklch(43.7% 0.111 265) |
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 #334E8E | 8.01:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #334E8E | 2.62:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #334E8E text on white | 8.01:1 | AAA | Lc 87.5 | Fine for body text |
| #334E8E text on black | 2.62:1 | Fails | Lc -14.6 | Not readable |
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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CED9F2
oklch(88.5% 0.036 266.7)
-
Step 300
300
#ACC1EB
oklch(80.9% 0.064 264.1)
-
Step 400
400
#819FE2
oklch(70.7% 0.104 265.4)
-
Step 500
500
#6286D9
oklch(63.1% 0.132 265.1)
-
Step 600
600
#496EC7
oklch(55.6% 0.144 265.1)
-
Step 700
700
#3B5CAC
oklch(49.2% 0.133 265)
-
Step 800
800 (this color)
#334E8E
oklch(43.7% 0.111 265)
-
Step 900
900
#2B3F6F
oklch(37.6% 0.086 265.4)
-
Step 950
950
#192541
oklch(26.9% 0.055 265.3)
#334E8E 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) | #305590 | 0.020 |
| Deuteranopia (no green cones) | #224D8D | 0.018 |
| Tritanopia (no blue cones) | #005D67 | 0.094 |
| Achromatopsia (no color) | #505050 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334E8E
#334E8E
oklch(43.7% 0.111 265)
- #684D00
#684D00
oklch(43.7% 0.09 85.3)
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 #334E8E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.018
- Cobalt #1E488F ΔE 0.030
- Light Navy #155084 ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.038
- Twilight #4E518B ΔE 0.039
- Denim Blue #3B5B92 ΔE 0.040
- Deep Sea Blue #015482 ΔE 0.043
- Blueberry #464196 ΔE 0.044
Use #334E8E 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.