#324398
Closest named color: Cobalt (#1E488F). oklch(42% 0.14 270.7), rgb(50, 67, 152).
Aa
White text reads best on this color (8.77:1).
About this color
#324398 is a dark, vivid blue. In OKLCH its lightness is 42%, its chroma 0.140 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.028 away. White text reads best on it, at 8.77:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | vivid (0.140) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.39:1 |
| White text | 8.77:1 |
Values
| HEX | #324398 |
| RGB | rgb(50, 67, 152) |
| HSL | hsl(230, 50%, 40%) |
| OKLCH | oklch(42% 0.14 270.7) |
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 #324398 | 8.77:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #324398 | 2.39:1 | Fails | Lc 14.3 | Not readable |
| #324398 text on white | 8.77:1 | AAA | Lc 89.7 | Fine for body text |
| #324398 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CED8F8
oklch(88.5% 0.045 271.7)
-
Step 300
300
#ACBEF6
oklch(80.8% 0.082 270.7)
-
Step 400
400
#829BF2
oklch(70.7% 0.131 270.6)
-
Step 500
500
#657FED
oklch(63% 0.167 270.9)
-
Step 600
600
#4E66DC
oklch(55.7% 0.182 270.7)
-
Step 700
700
#3F54BF
oklch(49.2% 0.169 270.6)
-
Step 800
800 (this color)
#324398
oklch(42% 0.14 270.7)
-
Step 900
900
#2D3B7B
oklch(37.7% 0.11 271)
-
Step 950
950
#1A2348
oklch(27% 0.07 270.8)
#324398 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) | #004F9B | 0.041 |
| Deuteranopia (no green cones) | #004696 | 0.036 |
| Tritanopia (no blue cones) | #005767 | 0.115 |
| Achromatopsia (no color) | #4B4B4B | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #324398
#324398
oklch(42% 0.14 270.7)
- #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 #324398, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.028
- Blueberry #464196 ΔE 0.028
- Dark Slate Blue #483D8B ΔE 0.039
- Sapphire #2138AB ΔE 0.047
- Dusk Blue #26538D ΔE 0.050
- Light Navy #155084 ΔE 0.056
- Twilight Blue #0A437A ΔE 0.063
- Twilight #4E518B ΔE 0.064
Use #324398 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.