#227D90
Closest named color: Ocean (#017B92). oklch(54.7% 0.086 215.1), rgb(34, 125, 144).
Aa
White text reads best on this color (4.76:1).
About this color
#227D90 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.086 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.013 away. White text reads best on it, at 4.76:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.40:1 |
| White text | 4.76:1 |
Values
| HEX | #227D90 |
| RGB | rgb(34, 125, 144) |
| HSL | hsl(190, 62%, 35%) |
| OKLCH | oklch(54.7% 0.086 215.1) |
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 #227D90 | 4.76:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #227D90 | 4.40:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #227D90 text on white | 4.76:1 | AA | Lc 72.8 | Content text, not long reading |
| #227D90 text on black | 4.40:1 | AA large text | Lc -28.9 | 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
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE2
oklch(88.5% 0.022 215.3)
-
Step 300
300
#A5C8D0
oklch(81% 0.039 213.1)
-
Step 400
400
#73ABB9
oklch(70.7% 0.062 215.1)
-
Step 500
500
#4A96A8
oklch(63.2% 0.08 215.3)
-
Step 600
600 (this color)
#227D90
oklch(54.7% 0.086 215.1)
-
Step 700
700
#166C7D
oklch(49.1% 0.08 214.8)
-
Step 800
800
#175866
oklch(42.7% 0.067 215.5)
-
Step 900
900
#1B4953
oklch(37.8% 0.052 214.4)
-
Step 950
950
#112B30
oklch(27.1% 0.033 211.7)
#227D90 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) | #707991 | 0.077 |
| Deuteranopia (no green cones) | #616E90 | 0.069 |
| Tritanopia (no blue cones) | #008483 | 0.036 |
| Achromatopsia (no color) | #737373 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #227D90
#227D90
oklch(54.7% 0.086 215.1)
- #9C5D4D
#9C5D4D
oklch(54.5% 0.087 35.1)
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 #227D90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.013
- Deep Aqua #08787F ΔE 0.031
- Teal #008080 ΔE 0.032
- Sea Blue #047495 ΔE 0.034
- Teal Blue #01889F ΔE 0.034
- Cerulean #457B9D ΔE 0.036
- Bluegreen #017A79 ΔE 0.039
- Metallic Blue #4F738E ΔE 0.043
Use #227D90 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.