#353699
Closest named color: Sapphire (#2138AB). oklch(39.8% 0.157 276.1), rgb(53, 54, 153).
Aa
White text reads best on this color (9.81:1).
About this color
#353699 is a dark, vivid blue. In OKLCH its lightness is 40%, its chroma 0.157 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.038 away. White text reads best on it, at 9.81:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | vivid (0.157) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 2.13:1 |
| White text | 9.81:1 |
Values
| HEX | #353699 |
| RGB | rgb(53, 54, 153) |
| HSL | hsl(239, 49%, 40%) |
| OKLCH | oklch(39.8% 0.157 276.1) |
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 #353699 | 9.81:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #353699 | 2.13:1 | Fails | Lc 11.7 | Not readable |
| #353699 text on white | 9.81:1 | AAA | Lc 92.3 | Preferred for body text |
| #353699 text on black | 2.13:1 | Fails | Lc -10.2 | 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
#E4E9FF
oklch(93.7% 0.03 275.6)
-
Step 200
200
#CED7FF
oklch(88.5% 0.056 275.2)
-
Step 300
300
#AFBCFF
oklch(80.9% 0.096 275.6)
-
Step 400
400
#8896FF
oklch(70.8% 0.153 276)
-
Step 500
500
#6D76FF
oklch(63% 0.2 276.2)
-
Step 600
600
#5751FF
oklch(55.5% 0.248 276.2)
-
Step 700
700
#483AE6
oklch(49.1% 0.244 276.1)
-
Step 800
800
#3A33BA
oklch(42.8% 0.202 275.9)
-
Step 900
900 (this color)
#353699
oklch(39.8% 0.157 276.1)
-
Step 950
950
#1C1D56
oklch(27% 0.101 276.5)
#353699 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) | #00489C | 0.054 |
| Deuteranopia (no green cones) | #003F97 | 0.046 |
| Tritanopia (no blue cones) | #004F62 | 0.130 |
| Achromatopsia (no color) | #434343 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #353699
#353699
oklch(39.8% 0.157 276.1)
- #544600
#544600
oklch(39.7% 0.082 96)
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 #353699, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.038
- Blueberry #464196 ΔE 0.041
- Dark Slate Blue #483D8B ΔE 0.044
- Cobalt #1E488F ΔE 0.052
- Indigo Blue #3A18B1 ΔE 0.059
- Imperial Purple #480CA8 ΔE 0.067
- Twilight Blue #0A437A ΔE 0.074
- Majorelle Blue #3F37C9 ΔE 0.079
Use #353699 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.