#213946
Closest named color: Dark Blue Grey (#1F3B4D). oklch(33.1% 0.038 233.2), rgb(33, 57, 70).
Aa
White text reads best on this color (12.08:1).
About this color
#213946 is a dark, muted blue. In OKLCH its lightness is 33%, its chroma 0.038 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.012 away. White text reads best on it, at 12.08:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.73:1 |
| White text | 12.08:1 |
Values
| HEX | #213946 |
| RGB | rgb(33, 57, 70) |
| HSL | hsl(201, 36%, 20%) |
| OKLCH | oklch(33.1% 0.038 233.2) |
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 #213946 | 12.08:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #213946 | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #213946 text on white | 12.08:1 | AAA | Lc 97.6 | Preferred for body text |
| #213946 text on black | 1.73:1 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#CFDBE2
oklch(88.4% 0.016 233)
-
Step 300
300
#AFC4D0
oklch(80.8% 0.029 232.8)
-
Step 400
400
#85A6B9
oklch(70.7% 0.046 233.5)
-
Step 500
500
#6690A7
oklch(63.1% 0.058 232.8)
-
Step 600
600
#4C7A92
oklch(55.6% 0.063 232.2)
-
Step 700
700
#3D677D
oklch(49.2% 0.059 232.6)
-
Step 800
800
#335465
oklch(42.8% 0.048 231.9)
-
Step 900
900 (this color)
#213946
oklch(33.1% 0.038 233.2)
-
Step 950
950
#1B2930
oklch(27.1% 0.023 230.3)
#213946 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) | #333847 | 0.026 |
| Deuteranopia (no green cones) | #2E3446 | 0.023 |
| Tritanopia (no blue cones) | #103D3D | 0.030 |
| Achromatopsia (no color) | #363636 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #213946
#213946
oklch(33.1% 0.038 233.2)
- #453023
#453023
oklch(33% 0.038 52.8)
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 #213946, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.012
- Midnight Green #073B4C ΔE 0.022
- Gunmetal #293241 ΔE 0.024
- Onyx #343A40 ΔE 0.029
- Prussian Blue #1D3557 ΔE 0.037
- Space Cadet #2B2D42 ΔE 0.040
- Charcoal #264653 ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.051
Use #213946 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.