#213B44
Closest named color: Dark Blue Grey (#1F3B4D). oklch(33.5% 0.036 222.1), rgb(33, 59, 68).
Aa
White text reads best on this color (11.83:1).
About this color
#213B44 is a dark, muted teal or cyan. In OKLCH its lightness is 34%, its chroma 0.036 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.016 away. White text reads best on it, at 11.83:1.
| Hue family | Teals and cyans |
| Lightness | dark (34%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.77:1 |
| White text | 11.83:1 |
Values
| HEX | #213B44 |
| RGB | rgb(33, 59, 68) |
| HSL | hsl(195, 35%, 20%) |
| OKLCH | oklch(33.5% 0.036 222.1) |
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 #213B44 | 11.83:1 | AAA | Lc -100.7 | Preferred for body text |
| Black text on #213B44 | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #213B44 text on white | 11.83:1 | AAA | Lc 97.1 | Preferred for body text |
| #213B44 text on black | 1.77:1 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#CFDCE0
oklch(88.6% 0.015 218.1)
-
Step 300
300
#AFC5CD
oklch(80.9% 0.026 221.6)
-
Step 400
400
#84A7B4
oklch(70.7% 0.043 222.5)
-
Step 500
500
#6491A1
oklch(63% 0.054 222.1)
-
Step 600
600
#4A7B8C
oklch(55.5% 0.059 222.2)
-
Step 700
700
#3B6877
oklch(49.1% 0.055 221.5)
-
Step 800
800
#315561
oklch(42.7% 0.046 221.4)
-
Step 900
900 (this color)
#213B44
oklch(33.5% 0.036 222.1)
-
Step 950
950
#1A292E
oklch(27% 0.022 220.6)
#213B44 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) | #363A44 | 0.030 |
| Deuteranopia (no green cones) | #303644 | 0.025 |
| Tritanopia (no blue cones) | #113E3E | 0.023 |
| Achromatopsia (no color) | #373737 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #213B44
#213B44
oklch(33.5% 0.036 222.1)
- #473128
#473128
oklch(33.6% 0.036 43.2)
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 #213B44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.016
- Midnight Green #073B4C ΔE 0.024
- Onyx #343A40 ΔE 0.026
- Gunmetal #293241 ΔE 0.030
- Charcoal #264653 ΔE 0.041
- Prussian Blue #1D3557 ΔE 0.044
- Charcoal Grey #3C4142 ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.047
Use #213B44 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.