#35488B
Closest named color: Cobalt (#1E488F). oklch(42.2% 0.113 269.2), rgb(53, 72, 139).
Aa
White text reads best on this color (8.56:1).
About this color
#35488B is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.113 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.025 away. White text reads best on it, at 8.56:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.45:1 |
| White text | 8.56:1 |
Values
| HEX | #35488B |
| RGB | rgb(53, 72, 139) |
| HSL | hsl(227, 45%, 38%) |
| OKLCH | oklch(42.2% 0.113 269.2) |
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 #35488B | 8.56:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #35488B | 2.45:1 | Fails | Lc 14.8 | Not readable |
| #35488B text on white | 8.56:1 | AAA | Lc 89.2 | Fine for body text |
| #35488B text on black | 2.45:1 | Fails | Lc -13.0 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#AFBFEC
oklch(80.8% 0.066 269.6)
-
Step 400
400
#869DE3
oklch(70.6% 0.106 269.7)
-
Step 500
500
#6884DB
oklch(63.1% 0.135 268.9)
-
Step 600
600
#516CC9
oklch(55.7% 0.147 269.1)
-
Step 700
700
#4259AD
oklch(49% 0.136 269.3)
-
Step 800
800 (this color)
#35488B
oklch(42.2% 0.113 269.2)
-
Step 900
900
#2F3E70
oklch(37.7% 0.088 269.3)
-
Step 950
950
#1B2542
oklch(27.1% 0.056 268.2)
#35488B 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) | #27508D | 0.025 |
| Deuteranopia (no green cones) | #19498A | 0.028 |
| Tritanopia (no blue cones) | #005762 | 0.099 |
| Achromatopsia (no color) | #4C4C4C | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #35488B
#35488B
oklch(42.2% 0.113 269.2)
- #614B00
#614B00
oklch(42.4% 0.087 89.3)
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 #35488B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.025
- Dusk Blue #26538D ΔE 0.032
- Blueberry #464196 ΔE 0.035
- Dark Slate Blue #483D8B ΔE 0.038
- Light Navy #155084 ΔE 0.038
- Twilight #4E518B ΔE 0.046
- Deep Sea Blue #015482 ΔE 0.051
- Twilight Blue #0A437A ΔE 0.052
Use #35488B 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.