#213849
Closest named color: Dark Blue Grey (#1F3B4D). oklch(33% 0.042 241.6), rgb(33, 56, 73).
Aa
White text reads best on this color (12.16:1).
About this color
#213849 is a dark, muted blue. In OKLCH its lightness is 33%, its chroma 0.042 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.010 away. White text reads best on it, at 12.16:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.72:1 |
| White text | 12.16:1 |
Values
| HEX | #213849 |
| RGB | rgb(33, 56, 73) |
| HSL | hsl(206, 38%, 21%) |
| OKLCH | oklch(33% 0.042 241.6) |
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 #213849 | 12.16:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #213849 | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #213849 text on white | 12.16:1 | AAA | Lc 97.7 | Preferred for body text |
| #213849 text on black | 1.72:1 | 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
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#D0DBE4
oklch(88.6% 0.017 242.5)
-
Step 300
300
#B0C4D3
oklch(81% 0.03 240.3)
-
Step 400
400
#85A5BE
oklch(70.7% 0.051 242)
-
Step 500
500
#668FAD
oklch(63.1% 0.064 240.8)
-
Step 600
600
#4D7999
oklch(55.7% 0.07 241.2)
-
Step 700
700
#3E6582
oklch(49% 0.064 241.9)
-
Step 800
800
#33536A
oklch(42.8% 0.054 240.9)
-
Step 900
900 (this color)
#213849
oklch(33% 0.042 241.6)
-
Step 950
950
#1B2832
oklch(27% 0.026 242)
#213849 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) | #31384A | 0.023 |
| Deuteranopia (no green cones) | #2B3449 | 0.018 |
| Tritanopia (no blue cones) | #0D3C3E | 0.034 |
| Achromatopsia (no color) | #363636 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #213849
#213849
oklch(33% 0.042 241.6)
- #45301E
#45301E
oklch(32.9% 0.042 61.2)
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 #213849, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.010
- Midnight Green #073B4C ΔE 0.022
- Gunmetal #293241 ΔE 0.022
- Prussian Blue #1D3557 ΔE 0.030
- Onyx #343A40 ΔE 0.033
- Space Cadet #2B2D42 ΔE 0.036
- Charcoal #264653 ΔE 0.047
- Dark Grey Blue #29465B ΔE 0.052
Use #213849 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.