#213344
Closest named color: Gunmetal (#293241). oklch(31.4% 0.039 247.7), rgb(33, 51, 68).
Aa
White text reads best on this color (12.94:1).
About this color
#213344 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.039 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.012 away. White text reads best on it, at 12.94:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.62:1 |
| White text | 12.94:1 |
Values
| HEX | #213344 |
| RGB | rgb(33, 51, 68) |
| HSL | hsl(209, 35%, 20%) |
| OKLCH | oklch(31.4% 0.039 247.7) |
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 #213344 | 12.94:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #213344 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #213344 text on white | 12.94:1 | AAA | Lc 99.1 | Preferred for body text |
| #213344 text on black | 1.62:1 | 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 950.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CCDBEA
oklch(88.5% 0.026 248.1)
-
Step 300
300
#AAC4DD
oklch(80.9% 0.045 247.3)
-
Step 400
400
#7CA5CD
oklch(70.7% 0.074 248.3)
-
Step 500
500
#598EBF
oklch(63% 0.093 247.7)
-
Step 600
600
#3E78AC
oklch(55.7% 0.102 247.8)
-
Step 700
700
#2F6494
oklch(49% 0.096 248.3)
-
Step 800
800
#285278
oklch(42.7% 0.079 248)
-
Step 900
900
#254460
oklch(37.6% 0.061 247.4)
-
Step 950
950 (this color)
#213344
oklch(31.4% 0.039 247.7)
#213344 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) | #2C3345 | 0.016 |
| Deuteranopia (no green cones) | #283044 | 0.013 |
| Tritanopia (no blue cones) | #123739 | 0.033 |
| Achromatopsia (no color) | #313131 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #213344
#213344
oklch(31.4% 0.039 247.7)
- #3E2D1B
#3E2D1B
oklch(31.2% 0.039 67.2)
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 #213344, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.012
- Space Cadet #2B2D42 ΔE 0.023
- Dark Blue Grey #1F3B4D ΔE 0.027
- Midnight Green #073B4C ΔE 0.031
- Prussian Blue #1D3557 ΔE 0.033
- Onyx #343A40 ΔE 0.041
- Oxford Blue #1B263B ΔE 0.046
- Dark #1B2431 ΔE 0.057
Use #213344 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.