#227898
Closest named color: Sea Blue (#047495). oklch(53.7% 0.093 227.8), rgb(34, 120, 152).
Aa
White text reads best on this color (4.99:1).
About this color
#227898 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.093 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.018 away. White text reads best on it, at 4.99:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 4.20:1 |
| White text | 4.99:1 |
Values
| HEX | #227898 |
| RGB | rgb(34, 120, 152) |
| HSL | hsl(196, 63%, 36%) |
| OKLCH | oklch(53.7% 0.093 227.8) |
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 #227898 | 4.99:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #227898 | 4.20:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #227898 text on white | 4.99:1 | AA | Lc 74.2 | Content text, not long reading |
| #227898 text on black | 4.20:1 | AA large text | Lc -27.5 | 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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE5
oklch(88.6% 0.023 224.9)
-
Step 300
300
#A5C7D6
oklch(81% 0.042 226.4)
-
Step 400
400
#73A9C1
oklch(70.6% 0.067 227.6)
-
Step 500
500
#4B94B2
oklch(63.2% 0.085 227.3)
-
Step 600
600 (this color)
#227898
oklch(53.7% 0.093 227.8)
-
Step 700
700
#1A6A87
oklch(49.2% 0.086 227.6)
-
Step 800
800
#19566E
oklch(42.6% 0.072 228.6)
-
Step 900
900
#1C4759
oklch(37.6% 0.056 228.6)
-
Step 950
950
#122A34
oklch(27.1% 0.035 227.4)
#227898 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) | #67769A | 0.067 |
| Deuteranopia (no green cones) | #576B98 | 0.057 |
| Tritanopia (no blue cones) | #008183 | 0.051 |
| Achromatopsia (no color) | #6F6F6F | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #227898
#227898
oklch(53.7% 0.093 227.8)
- #995C3C
#995C3C
oklch(53.7% 0.092 47.7)
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 #227898, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.018
- Ocean #017B92 ΔE 0.018
- Ocean Blue #03719C ΔE 0.027
- Muted Blue #3B719F ΔE 0.030
- Cerulean #457B9D ΔE 0.031
- Dull Blue #49759C ΔE 0.033
- Nice Blue #107AB0 ΔE 0.037
- Flat Blue #3C73A8 ΔE 0.038
Use #227898 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.