#342E93
Closest named color: Sapphire (#2138AB). oklch(37.8% 0.159 278.2), rgb(52, 46, 147).
Aa
White text reads best on this color (10.72:1).
About this color
#342E93 is a dark, vivid blue. In OKLCH its lightness is 38%, its chroma 0.159 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.049 away. White text reads best on it, at 10.72:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | vivid (0.159) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 1.95:1 |
| White text | 10.72:1 |
Values
| HEX | #342E93 |
| RGB | rgb(52, 46, 147) |
| HSL | hsl(244, 52%, 38%) |
| OKLCH | oklch(37.8% 0.159 278.2) |
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 #342E93 | 10.72:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #342E93 | 1.95:1 | Fails | Lc 9.7 | Not readable |
| #342E93 text on white | 10.72:1 | AAA | Lc 94.3 | Preferred for body text |
| #342E93 text on black | 1.95:1 | Fails | Lc -8.3 | 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 900.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FF
oklch(93.6% 0.031 279.9)
-
Step 200
200
#D0D6FF
oklch(88.5% 0.057 278.6)
-
Step 300
300
#B2BBFF
oklch(81% 0.097 278.2)
-
Step 400
400
#8C94FF
oklch(70.7% 0.155 278.4)
-
Step 500
500
#7274FF
oklch(63% 0.202 278.3)
-
Step 600
600
#5D4FFF
oklch(55.7% 0.249 278.1)
-
Step 700
700
#4E36E7
oklch(49.1% 0.248 278.2)
-
Step 800
800
#3F30BA
oklch(42.7% 0.204 278.2)
-
Step 900
900 (this color)
#342E93
oklch(37.8% 0.159 278.2)
-
Step 950
950
#1E1C56
oklch(27% 0.102 278.6)
#342E93 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) | #004296 | 0.058 |
| Deuteranopia (no green cones) | #003A91 | 0.050 |
| Tritanopia (no blue cones) | #00495C | 0.133 |
| Achromatopsia (no color) | #3E3E3E | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #342E93
#342E93
oklch(37.8% 0.159 278.2)
- #4D4200
#4D4200
oklch(37.9% 0.078 98.5)
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 #342E93, closest first.
No curated palette has a color within ΔE 0.04 of #342E93.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.049
- Dark Slate Blue #483D8B ΔE 0.054
- Indigo Blue #3A18B1 ΔE 0.056
- Blueberry #464196 ΔE 0.057
- Imperial Purple #480CA8 ΔE 0.060
- Cobalt #1E488F ΔE 0.066
- Royal #0C1793 ΔE 0.073
- Twilight Blue #0A437A ΔE 0.077
Use #342E93 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.