#323C53
Closest named color: Dark Blue Grey (#1F3B4D). oklch(35.7% 0.042 266.1), rgb(50, 60, 83).
Aa
White text reads best on this color (11.01:1).
About this color
#323C53 is a dark, muted blue. In OKLCH its lightness is 36%, its chroma 0.042 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.029 away. White text reads best on it, at 11.01:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.90:1 |
| White text | 11.01:1 |
Values
| HEX | #323C53 |
| RGB | rgb(50, 60, 83) |
| HSL | hsl(222, 25%, 26%) |
| OKLCH | oklch(35.7% 0.042 266.1) |
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 #323C53 | 11.01:1 | AAA | Lc -99.3 | Preferred for body text |
| Black text on #323C53 | 1.90:1 | Fails | Lc 8.4 | Not readable |
| #323C53 text on white | 11.01:1 | AAA | Lc 95.5 | Preferred for body text |
| #323C53 text on black | 1.90:1 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E5
oklch(88.5% 0.017 267.8)
-
Step 300
300
#B7C1D6
oklch(81% 0.032 265.3)
-
Step 400
400
#92A0C1
oklch(70.6% 0.051 267)
-
Step 500
500
#7789B2
oklch(63.1% 0.066 266.1)
-
Step 600
600
#60729D
oklch(55.5% 0.071 266.6)
-
Step 700
700
#4F6086
oklch(49.1% 0.065 265.5)
-
Step 800
800
#414E6D
oklch(42.6% 0.054 266.6)
-
Step 900
900 (this color)
#323C53
oklch(35.7% 0.042 266.1)
-
Step 950
950
#202634
oklch(26.9% 0.028 266.5)
#323C53 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) | #343E54 | 0.007 |
| Deuteranopia (no green cones) | #313B52 | 0.004 |
| Tritanopia (no blue cones) | #284144 | 0.038 |
| Achromatopsia (no color) | #3C3C3C | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #323C53
#323C53
oklch(35.7% 0.042 266.1)
- #463B22
#463B22
oklch(35.7% 0.042 86.6)
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 #323C53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.029
- Dark Grey Blue #29465B ΔE 0.032
- Onyx #343A40 ΔE 0.032
- Charcoal #264653 ΔE 0.034
- Prussian Blue #1D3557 ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.041
- Gunmetal #293241 ΔE 0.044
- Midnight Green #073B4C ΔE 0.047
Use #323C53 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.