#354271
Closest named color: Twilight Blue (#0A437A). oklch(39.1% 0.082 270.6), rgb(53, 66, 113).
Aa
White text reads best on this color (9.68:1).
About this color
#354271 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.082 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.041 away. White text reads best on it, at 9.68:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.16:1 |
| White text | 9.68:1 |
Values
| HEX | #354271 |
| RGB | rgb(53, 66, 113) |
| HSL | hsl(227, 36%, 33%) |
| OKLCH | oklch(39.1% 0.082 270.6) |
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 #354271 | 9.68:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #354271 | 2.16:1 | Fails | Lc 11.6 | Not readable |
| #354271 text on white | 9.68:1 | AAA | Lc 92.3 | Preferred for body text |
| #354271 text on black | 2.16:1 | Fails | Lc -10.1 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9F0
oklch(88.6% 0.033 268.7)
-
Step 300
300
#B1BFE9
oklch(80.8% 0.061 270.5)
-
Step 400
400
#899DDE
oklch(70.6% 0.098 270.6)
-
Step 500
500
#6D84D5
oklch(63.1% 0.125 270.5)
-
Step 600
600
#566CC2
oklch(55.6% 0.136 270.7)
-
Step 700
700
#465AA8
oklch(49.2% 0.127 270.4)
-
Step 800
800
#3A4A88
oklch(42.8% 0.104 270.6)
-
Step 900
900 (this color)
#354271
oklch(39.1% 0.082 270.6)
-
Step 950
950
#1D2540
oklch(27.1% 0.052 270.2)
#354271 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) | #2F4773 | 0.016 |
| Deuteranopia (no green cones) | #294270 | 0.016 |
| Tritanopia (no blue cones) | #1B4C54 | 0.072 |
| Achromatopsia (no color) | #444444 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #354271
#354271
oklch(39.1% 0.082 270.6)
- #564300
#564300
oklch(39.2% 0.08 90.3)
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 #354271, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.041
- Dark Grey Blue #29465B ΔE 0.046
- Light Navy #155084 ΔE 0.051
- Cobalt #1E488F ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.056
- Deep Sea Blue #015482 ΔE 0.061
- Charcoal #264653 ΔE 0.061
- Dusk Blue #26538D ΔE 0.061
Use #354271 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.