#323959
Closest named color: Prussian Blue (#1D3557). oklch(35.3% 0.057 273.8), rgb(50, 57, 89).
Aa
White text reads best on this color (11.25:1).
About this color
#323959 is a dark, muted blue. In OKLCH its lightness is 35%, its chroma 0.057 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.033 away. White text reads best on it, at 11.25:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.86:1 |
| White text | 11.25:1 |
Values
| HEX | #323959 |
| RGB | rgb(50, 57, 89) |
| HSL | hsl(229, 28%, 27%) |
| OKLCH | oklch(35.3% 0.057 273.8) |
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 #323959 | 11.25:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #323959 | 1.86:1 | Fails | Lc 7.9 | Not readable |
| #323959 text on white | 11.25:1 | AAA | Lc 96.0 | Preferred for body text |
| #323959 text on black | 1.86:1 | Fails | Lc 0.0 | 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 900.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D4D8E9
oklch(88.4% 0.024 275.3)
-
Step 300
300
#B8BFDD
oklch(80.9% 0.043 275)
-
Step 400
400
#939ECC
oklch(70.7% 0.069 274.1)
-
Step 500
500
#7986BE
oklch(63.2% 0.086 273.7)
-
Step 600
600
#626FAB
oklch(55.7% 0.095 273.7)
-
Step 700
700
#515C92
oklch(49% 0.088 274)
-
Step 800
800
#424C77
oklch(42.8% 0.073 273)
-
Step 900
900 (this color)
#323959
oklch(35.3% 0.057 273.8)
-
Step 950
950
#212538
oklch(27% 0.036 274.6)
#323959 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) | #2E3C5A | 0.010 |
| Deuteranopia (no green cones) | #2B3958 | 0.011 |
| Tritanopia (no blue cones) | #263F45 | 0.049 |
| Achromatopsia (no color) | #3B3B3B | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #323959
#323959
oklch(35.3% 0.057 273.8)
- #453B15
#453B15
oklch(35.4% 0.057 94.6)
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 #323959, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.033
- Dark Blue Grey #1F3B4D ΔE 0.036
- Dark Grey Blue #29465B ΔE 0.041
- Onyx #343A40 ΔE 0.046
- Gunmetal #293241 ΔE 0.047
- Charcoal #264653 ΔE 0.047
- Space Cadet #2B2D42 ΔE 0.052
- Midnight Green #073B4C ΔE 0.053
Use #323959 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.