#226D8D
Closest named color: Sea Blue (#047495). oklch(50.4% 0.087 230.8), rgb(34, 109, 141).
Aa
White text reads best on this color (5.76:1).
About this color
#226D8D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.087 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.022 away. White text reads best on it, at 5.76:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.64:1 |
| White text | 5.76:1 |
Values
| HEX | #226D8D |
| RGB | rgb(34, 109, 141) |
| HSL | hsl(198, 61%, 34%) |
| OKLCH | oklch(50.4% 0.087 230.8) |
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 #226D8D | 5.76:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #226D8D | 3.64:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #226D8D text on white | 5.76:1 | AA | Lc 78.6 | Fine for body text |
| #226D8D text on black | 3.64:1 | AA large text | Lc -23.2 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#CADCE6
oklch(88.4% 0.024 231.9)
-
Step 300
300
#A6C6D7
oklch(80.9% 0.042 231.1)
-
Step 400
400
#74A9C3
oklch(70.7% 0.068 230.1)
-
Step 500
500
#4D93B4
oklch(63.1% 0.086 230.7)
-
Step 600
600
#2C7DA0
oklch(55.7% 0.094 230.6)
-
Step 700
700 (this color)
#226D8D
oklch(50.4% 0.087 230.8)
-
Step 800
800
#1B566F
oklch(42.7% 0.072 230.2)
-
Step 900
900
#1D475A
oklch(37.7% 0.057 230.4)
-
Step 950
950
#122A35
oklch(27.1% 0.036 229.8)
#226D8D 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) | #5D6C8F | 0.060 |
| Deuteranopia (no green cones) | #4E618D | 0.051 |
| Tritanopia (no blue cones) | #007678 | 0.052 |
| Achromatopsia (no color) | #666666 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #226D8D
#226D8D
oklch(50.4% 0.087 230.8)
- #8C5534
#8C5534
oklch(50.5% 0.087 50.7)
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 #226D8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.022
- Ocean Blue #03719C ΔE 0.024
- Peacock Blue #016795 ΔE 0.029
- Denim #3B638C ΔE 0.033
- Muted Blue #3B719F ΔE 0.038
- Ocean #017B92 ΔE 0.041
- Deep Aqua #08787F ΔE 0.047
- Metallic Blue #4F738E ΔE 0.047
Use #226D8D 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.