#344590
Closest named color: Cobalt (#1E488F). oklch(41.9% 0.125 270.5), rgb(52, 69, 144).
Aa
White text reads best on this color (8.75:1).
About this color
#344590 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.125 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.023 away. White text reads best on it, at 8.75:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.39:1 |
| White text | 8.75:1 |
Values
| HEX | #344590 |
| RGB | rgb(52, 69, 144) |
| HSL | hsl(229, 47%, 38%) |
| OKLCH | oklch(41.9% 0.125 270.5) |
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 #344590 | 8.75:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #344590 | 2.39:1 | Fails | Lc 14.3 | Not readable |
| #344590 text on white | 8.75:1 | AAA | Lc 89.7 | Fine for body text |
| #344590 text on black | 2.39:1 | Fails | Lc -12.6 | 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
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CFD8F5
oklch(88.4% 0.041 271.9)
-
Step 300
300
#AEBFF1
oklch(80.9% 0.073 270.1)
-
Step 400
400
#859CEA
oklch(70.7% 0.117 270.7)
-
Step 500
500
#6882E3
oklch(63.2% 0.149 270.4)
-
Step 600
600
#5169D1
oklch(55.7% 0.162 270.6)
-
Step 700
700
#4257B5
oklch(49.2% 0.15 270.5)
-
Step 800
800 (this color)
#344590
oklch(41.9% 0.125 270.5)
-
Step 900
900
#2E3D75
oklch(37.8% 0.097 270)
-
Step 950
950
#1B2444
oklch(27% 0.061 270.1)
#344590 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) | #1B4F93 | 0.033 |
| Deuteranopia (no green cones) | #01478E | 0.038 |
| Tritanopia (no blue cones) | #005663 | 0.107 |
| Achromatopsia (no color) | #4B4B4B | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #344590
#344590
oklch(41.9% 0.125 270.5)
- #5F4A00
#5F4A00
oklch(41.9% 0.086 90)
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 #344590, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.023
- Blueberry #464196 ΔE 0.029
- Dark Slate Blue #483D8B ΔE 0.034
- Dusk Blue #26538D ΔE 0.041
- Light Navy #155084 ΔE 0.046
- Twilight #4E518B ΔE 0.054
- Twilight Blue #0A437A ΔE 0.055
- Deep Sea Blue #015482 ΔE 0.060
Use #344590 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.