#224F63
Closest named color: Dark Grey Blue (#29465B). oklch(40.5% 0.059 229.8), rgb(34, 79, 99).
Aa
White text reads best on this color (8.87:1).
About this color
#224F63 is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.059 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.028 away. White text reads best on it, at 8.87:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.36:1 |
| White text | 8.87:1 |
Values
| HEX | #224F63 |
| RGB | rgb(34, 79, 99) |
| HSL | hsl(198, 49%, 26%) |
| OKLCH | oklch(40.5% 0.059 229.8) |
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 #224F63 | 8.87:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #224F63 | 2.36:1 | Fails | Lc 13.8 | Not readable |
| #224F63 text on white | 8.87:1 | AAA | Lc 90.1 | Preferred for body text |
| #224F63 text on black | 2.36:1 | Fails | Lc -12.1 | 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 800.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CDDCE4
oklch(88.6% 0.02 230.7)
-
Step 300
300
#ABC5D3
oklch(80.8% 0.034 231.3)
-
Step 400
400
#7DA8BD
oklch(70.8% 0.056 229.5)
-
Step 500
500
#5A92AC
oklch(63.1% 0.071 229.3)
-
Step 600
600
#3E7C98
oklch(55.7% 0.077 229.7)
-
Step 700
700
#2F6882
oklch(49.1% 0.072 230.5)
-
Step 800
800 (this color)
#224F63
oklch(40.5% 0.059 229.8)
-
Step 900
900
#264655
oklch(37.6% 0.046 229.9)
-
Step 950
950
#172932
oklch(27% 0.029 231)
#224F63 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) | #454E64 | 0.042 |
| Deuteranopia (no green cones) | #3C4763 | 0.037 |
| Tritanopia (no blue cones) | #005556 | 0.039 |
| Achromatopsia (no color) | #4A4A4A | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #224F63
#224F63
oklch(40.5% 0.059 229.8)
- #633F2B
#633F2B
oklch(40.5% 0.06 49.5)
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 #224F63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.028
- Deep Teal #00555A ΔE 0.033
- Charcoal #264653 ΔE 0.034
- Dark Slate Gray #2F4F4F ΔE 0.035
- Dark Teal #014D4E ΔE 0.043
- Petrol #005F6A ΔE 0.049
- Deep Sea Blue #015482 ΔE 0.051
- Dark Blue Green #005249 ΔE 0.054
Use #224F63 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.