#223049
Closest named color: Space Cadet (#2B2D42). oklch(30.9% 0.049 261.5), rgb(34, 48, 73).
Aa
White text reads best on this color (13.23:1).
About this color
#223049 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.049 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.018 away. White text reads best on it, at 13.23:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.58:1 |
| White text | 13.23:1 |
Values
| HEX | #223049 |
| RGB | rgb(34, 48, 73) |
| HSL | hsl(218, 36%, 21%) |
| OKLCH | oklch(30.9% 0.049 261.5) |
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 #223049 | 13.23:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #223049 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #223049 text on white | 13.23:1 | AAA | Lc 99.5 | Preferred for body text |
| #223049 text on black | 1.58:1 | 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CDDAEF
oklch(88.5% 0.032 260)
-
Step 300
300
#ACC2E7
oklch(81% 0.058 260.8)
-
Step 400
400
#80A1DB
oklch(70.7% 0.093 261.4)
-
Step 500
500
#6089D1
oklch(63.2% 0.118 261.1)
-
Step 600
600
#4771BE
oklch(55.6% 0.129 261.5)
-
Step 700
700
#385EA4
oklch(49% 0.121 261.5)
-
Step 800
800
#2F4D85
oklch(42.6% 0.1 261.8)
-
Step 900
900
#2A416B
oklch(37.8% 0.078 261.6)
-
Step 950
950 (this color)
#223049
oklch(30.9% 0.049 261.5)
#223049 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) | #27324A | 0.010 |
| Deuteranopia (no green cones) | #222E48 | 0.006 |
| Tritanopia (no blue cones) | #123539 | 0.043 |
| Achromatopsia (no color) | #303030 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #223049
#223049
oklch(30.9% 0.049 261.5)
- #3D2D10
#3D2D10
oklch(30.9% 0.049 80)
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 #223049, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.018
- Gunmetal #293241 ΔE 0.020
- Prussian Blue #1D3557 ΔE 0.027
- Dark Blue Grey #1F3B4D ΔE 0.035
- Midnight Green #073B4C ΔE 0.040
- Oxford Blue #1B263B ΔE 0.041
- Marine #042E60 ΔE 0.051
- Onyx #343A40 ΔE 0.051
Use #223049 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.