#228EAD
Closest named color: Blue NCS (#118AB2). oklch(60.2% 0.103 222.4), rgb(34, 142, 173).
Aa
Black text reads best on this color (5.54:1).
About this color
#228EAD is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.103 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.017 away. Black text reads best on it, at 5.54:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.54:1 |
| White text | 3.79:1 |
Values
| HEX | #228EAD |
| RGB | rgb(34, 142, 173) |
| HSL | hsl(193, 67%, 41%) |
| OKLCH | oklch(60.2% 0.103 222.4) |
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 #228EAD | 3.79:1 | AA large text | Lc -70.5 | Content text, not long reading |
| Black text on #228EAD | 5.54:1 | AA | Lc 39.1 | Non-text elements, placeholder text |
| #228EAD text on white | 3.79:1 | AA large text | Lc 65.0 | Content text, not long reading |
| #228EAD text on black | 5.54:1 | AA | Lc -36.6 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F7F9
oklch(97.2% 0.007 219.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C6DEE7
oklch(88.6% 0.028 222.3)
-
Step 300
300
#9EC8D8
oklch(80.8% 0.05 223.1)
-
Step 400
400
#64ACC5
oklch(70.7% 0.081 222.5)
-
Step 500
500 (this color)
#228EAD
oklch(60.2% 0.103 222.4)
-
Step 600
600
#00809F
oklch(55.6% 0.103 222.6)
-
Step 700
700
#006B86
oklch(49% 0.091 223.1)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900
#07495B
oklch(37.7% 0.067 222.4)
-
Step 950
950
#092B35
oklch(27% 0.042 221.3)
#228EAD 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) | #7C8AAF | 0.082 |
| Deuteranopia (no green cones) | #6A7DAD | 0.073 |
| Tritanopia (no blue cones) | #009898 | 0.051 |
| Achromatopsia (no color) | #838383 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #228EAD
#228EAD
oklch(60.2% 0.103 222.4)
- #B46B4E
#B46B4E
oklch(60.2% 0.103 42.2)
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 #228EAD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.017
- Teal Blue #01889F ΔE 0.028
- Steel Blue #4682B4 ΔE 0.043
- Cool Blue #4984B8 ΔE 0.044
- Teal Green #0A9396 ΔE 0.044
- Off Blue #5684AE ΔE 0.045
- Dusty Blue #5A86AD ΔE 0.045
- Dark Cyan #008B8B ΔE 0.055
Use #228EAD 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.