#354888
Closest named color: Cobalt (#1E488F). oklch(42% 0.109 268.9), rgb(53, 72, 136).
Aa
White text reads best on this color (8.62:1).
About this color
#354888 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.109 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.026 away. White text reads best on it, at 8.62:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.43:1 |
| White text | 8.62:1 |
Values
| HEX | #354888 |
| RGB | rgb(53, 72, 136) |
| HSL | hsl(226, 44%, 37%) |
| OKLCH | oklch(42% 0.109 268.9) |
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 #354888 | 8.62:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #354888 | 2.43:1 | Fails | Lc 14.6 | Not readable |
| #354888 text on white | 8.62:1 | AAA | Lc 89.4 | Fine for body text |
| #354888 text on black | 2.43:1 | Fails | Lc -12.8 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#CFD9F1
oklch(88.5% 0.035 267.6)
-
Step 300
300
#B0C0EB
oklch(81% 0.063 269)
-
Step 400
400
#869EE1
oklch(70.7% 0.102 268.6)
-
Step 500
500
#6984D8
oklch(63% 0.13 269)
-
Step 600
600
#526CC5
oklch(55.5% 0.141 269.2)
-
Step 700
700
#425AAB
oklch(49.1% 0.132 268.7)
-
Step 800
800 (this color)
#354888
oklch(42% 0.109 268.9)
-
Step 900
900
#2F3E6E
oklch(37.6% 0.085 269)
-
Step 950
950
#1C2541
oklch(27.1% 0.054 269.1)
#354888 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) | #2A508A | 0.024 |
| Deuteranopia (no green cones) | #1E4887 | 0.025 |
| Tritanopia (no blue cones) | #005661 | 0.095 |
| Achromatopsia (no color) | #4C4C4C | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #354888
#354888
oklch(42% 0.109 268.9)
- #604A00
#604A00
oklch(42% 0.086 89.1)
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 #354888, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.026
- Dusk Blue #26538D ΔE 0.032
- Light Navy #155084 ΔE 0.036
- Blueberry #464196 ΔE 0.038
- Dark Slate Blue #483D8B ΔE 0.039
- Twilight #4E518B ΔE 0.046
- Deep Sea Blue #015482 ΔE 0.049
- Twilight Blue #0A437A ΔE 0.050
Use #354888 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.