#323E5A
Closest named color: Dark Grey Blue (#29465B). oklch(36.6% 0.051 266.1), rgb(50, 62, 90).
Aa
White text reads best on this color (10.64:1).
About this color
#323E5A is a dark, muted blue. In OKLCH its lightness is 37%, its chroma 0.051 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.026 away. White text reads best on it, at 10.64:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.97:1 |
| White text | 10.64:1 |
Values
| HEX | #323E5A |
| RGB | rgb(50, 62, 90) |
| HSL | hsl(222, 29%, 27%) |
| OKLCH | oklch(36.6% 0.051 266.1) |
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 #323E5A | 10.64:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #323E5A | 1.97:1 | Fails | Lc 9.3 | Not readable |
| #323E5A text on white | 10.64:1 | AAA | Lc 94.7 | Preferred for body text |
| #323E5A text on black | 1.97:1 | Fails | Lc -7.9 | 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
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D2D9E8
oklch(88.4% 0.022 265.8)
-
Step 300
300
#B5C1DA
oklch(81% 0.038 265.1)
-
Step 400
400
#8FA0C8
oklch(70.7% 0.062 266.8)
-
Step 500
500
#7389BA
oklch(63.2% 0.078 265.6)
-
Step 600
600
#5C72A6
oklch(55.7% 0.085 266.2)
-
Step 700
700
#4C5F8E
oklch(49.1% 0.079 266.7)
-
Step 800
800
#3E4E73
oklch(42.7% 0.065 265.8)
-
Step 900
900 (this color)
#323E5A
oklch(36.6% 0.051 266.1)
-
Step 950
950
#1F2637
oklch(27% 0.033 266.9)
#323E5A 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) | #34405B | 0.007 |
| Deuteranopia (no green cones) | #303D59 | 0.005 |
| Tritanopia (no blue cones) | #254448 | 0.046 |
| Achromatopsia (no color) | #3E3E3E | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #323E5A
#323E5A
oklch(36.6% 0.051 266.1)
- #4B3D1D
#4B3D1D
oklch(36.7% 0.052 86.1)
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 #323E5A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.026
- Charcoal #264653 ΔE 0.034
- Dark Blue Grey #1F3B4D ΔE 0.036
- Prussian Blue #1D3557 ΔE 0.043
- Onyx #343A40 ΔE 0.044
- Charcoal Grey #3C4142 ΔE 0.048
- Midnight Green #073B4C ΔE 0.053
- Gunmetal #293241 ΔE 0.055
Use #323E5A 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.