#334193
Closest named color: Cobalt (#1E488F). oklch(41.2% 0.135 271.8), rgb(51, 65, 147).
Aa
White text reads best on this color (9.05:1).
About this color
#334193 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.135 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.028 away. White text reads best on it, at 9.05:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.31:1 |
| White text | 9.05:1 |
Values
| HEX | #334193 |
| RGB | rgb(51, 65, 147) |
| HSL | hsl(231, 48%, 39%) |
| OKLCH | oklch(41.2% 0.135 271.8) |
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 #334193 | 9.05:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #334193 | 2.31:1 | Fails | Lc 13.5 | Not readable |
| #334193 text on white | 9.05:1 | AAA | Lc 90.5 | Preferred for body text |
| #334193 text on black | 2.31:1 | Fails | Lc -11.8 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CFD8F7
oklch(88.5% 0.044 272.7)
-
Step 300
300
#AEBEF4
oklch(80.8% 0.079 271.7)
-
Step 400
400
#859BEF
oklch(70.7% 0.126 271.7)
-
Step 500
500
#687FEA
oklch(63% 0.162 271.9)
-
Step 600
600
#5166D8
oklch(55.6% 0.175 271.7)
-
Step 700
700
#4354BC
oklch(49.2% 0.164 272)
-
Step 800
800 (this color)
#334193
oklch(41.2% 0.135 271.8)
-
Step 900
900
#2F3B79
oklch(37.7% 0.106 272.1)
-
Step 950
950
#1B2347
oklch(27% 0.068 271.8)
#334193 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) | #034D96 | 0.042 |
| Deuteranopia (no green cones) | #004491 | 0.039 |
| Tritanopia (no blue cones) | #005463 | 0.113 |
| Achromatopsia (no color) | #494949 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334193
#334193
oklch(41.2% 0.135 271.8)
- #5C4900
#5C4900
oklch(41.3% 0.085 91.7)
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 #334193, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.028
- Blueberry #464196 ΔE 0.028
- Dark Slate Blue #483D8B ΔE 0.034
- Sapphire #2138AB ΔE 0.051
- Dusk Blue #26538D ΔE 0.052
- Light Navy #155084 ΔE 0.056
- Twilight Blue #0A437A ΔE 0.057
- Twilight #4E518B ΔE 0.065
Use #334193 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.