#228DC8
Closest named color: Water Blue (#0E87CC). oklch(61.3% 0.128 239.2), rgb(34, 141, 200).
Aa
Black text reads best on this color (5.71:1).
About this color
#228DC8 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.128 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.021 away. Black text reads best on it, at 5.71:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #228DC8 |
| RGB | rgb(34, 141, 200) |
| HSL | hsl(201, 71%, 46%) |
| OKLCH | oklch(61.3% 0.128 239.2) |
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 #228DC8 | 3.67:1 | AA large text | Lc -69.4 | Content text, not long reading |
| Black text on #228DC8 | 5.71:1 | AA | Lc 40.2 | Non-text elements, placeholder text |
| #228DC8 text on white | 3.67:1 | AA large text | Lc 63.9 | Content text, not long reading |
| #228DC8 text on black | 5.71:1 | AA | Lc -37.8 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200
#C5DDEE
oklch(88.5% 0.035 238.7)
-
Step 300
300
#9CC7E5
oklch(80.9% 0.062 239)
-
Step 400
400
#62A9D8
oklch(70.7% 0.099 239.3)
-
Step 500
500 (this color)
#228DC8
oklch(61.3% 0.128 239.2)
-
Step 600
600
#007BB4
oklch(55.5% 0.126 239.3)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#044669
oklch(37.6% 0.084 240.1)
-
Step 950
950
#08293D
oklch(26.9% 0.053 239.9)
#228DC8 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) | #718ECB | 0.068 |
| Deuteranopia (no green cones) | #5B7FC7 | 0.053 |
| Tritanopia (no blue cones) | #009CA2 | 0.083 |
| Achromatopsia (no color) | #858585 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #228DC8
#228DC8
oklch(61.3% 0.128 239.2)
- #BB6F27
#BB6F27
oklch(61.4% 0.127 59.4)
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 #228DC8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.021
- Blue NCS #118AB2 ΔE 0.035
- Cool Blue #4984B8 ΔE 0.035
- Steel Blue #4682B4 ΔE 0.040
- Dark Sky Blue #448EE4 ΔE 0.050
- Off Blue #5684AE ΔE 0.050
- Dusty Blue #5A86AD ΔE 0.053
- Faded Blue #658CBB ΔE 0.054
Use #228DC8 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.