#354E8E
Closest named color: Dusk Blue (#26538D). oklch(43.8% 0.11 266), rgb(53, 78, 142).
Aa
White text reads best on this color (7.97:1).
About this color
#354E8E is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.110 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.020 away. White text reads best on it, at 7.97:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.63:1 |
| White text | 7.97:1 |
Values
| HEX | #354E8E |
| RGB | rgb(53, 78, 142) |
| HSL | hsl(223, 46%, 38%) |
| OKLCH | oklch(43.8% 0.11 266) |
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 #354E8E | 7.97:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #354E8E | 2.63:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #354E8E text on white | 7.97:1 | AAA | Lc 87.5 | Fine for body text |
| #354E8E text on black | 2.63:1 | Fails | Lc -14.7 | 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
#ADC0EB
oklch(80.8% 0.065 266.3)
-
Step 400
400
#829FE1
oklch(70.7% 0.103 265.7)
-
Step 500
500
#6486D9
oklch(63.2% 0.131 265.9)
-
Step 600
600
#4B6EC6
oklch(55.6% 0.142 265.7)
-
Step 700
700
#3D5BAB
oklch(49% 0.133 266.2)
-
Step 800
800 (this color)
#354E8E
oklch(43.8% 0.11 266)
-
Step 900
900
#2C3F6F
oklch(37.7% 0.086 266.1)
-
Step 950
950
#1A2541
oklch(27% 0.055 266.6)
#354E8E 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) | #315590 | 0.020 |
| Deuteranopia (no green cones) | #234D8D | 0.020 |
| Tritanopia (no blue cones) | #005C67 | 0.094 |
| Achromatopsia (no color) | #515151 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #354E8E
#354E8E
oklch(43.8% 0.11 266)
- #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 #354E8E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.020
- Cobalt #1E488F ΔE 0.031
- Light Navy #155084 ΔE 0.034
- Twilight #4E518B ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.039
- Blueberry #464196 ΔE 0.043
- Deep Sea Blue #015482 ΔE 0.045
Use #354E8E 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.