#099FA8
Closest named color: Sea (#3C9992). oklch(64% 0.108 202), rgb(9, 159, 168).
Aa
Black text reads best on this color (6.53:1).
About this color
#099FA8 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.108 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.034 away. Black text reads best on it, at 6.53:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 6.53:1 |
| White text | 3.21:1 |
Values
| HEX | #099FA8 |
| RGB | rgb(9, 159, 168) |
| HSL | hsl(183, 90%, 35%) |
| OKLCH | oklch(64% 0.108 202) |
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 #099FA8 | 3.21:1 | AA large text | Lc -64.2 | Content text, not long reading |
| Black text on #099FA8 | 6.53:1 | AA | Lc 45.3 | Large or bold text, headings |
| #099FA8 text on white | 3.21:1 | AA large text | Lc 58.8 | Large or bold text, headings |
| #099FA8 text on black | 6.53:1 | AA | Lc -43.0 | 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
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DFEDEE
oklch(93.6% 0.015 202)
-
Step 200
200
#C4DFE1
oklch(88.4% 0.029 202.1)
-
Step 300
300
#99CBCF
oklch(80.8% 0.052 202.3)
-
Step 400
400
#59B0B7
oklch(70.6% 0.084 202.4)
-
Step 500
500 (this color)
#099FA8
oklch(64% 0.108 202)
-
Step 600
600
#00838B
oklch(55.5% 0.095 202.3)
-
Step 700
700
#006E75
oklch(49% 0.083 202.5)
-
Step 800
800
#005A60
oklch(42.6% 0.073 202.7)
-
Step 900
900
#004B50
oklch(37.6% 0.064 202.5)
-
Step 950
950
#022D30
oklch(27.1% 0.045 202)
#099FA8 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) | #9198A9 | 0.107 |
| Deuteranopia (no green cones) | #7E8AA9 | 0.099 |
| Tritanopia (no blue cones) | #00A6A1 | 0.026 |
| Achromatopsia (no color) | #909090 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #099FA8
#099FA8
oklch(64% 0.108 202)
- #C5706E
#C5706E
oklch(63.9% 0.108 22)
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 #099FA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.034
- Persian Green #2A9D8F ΔE 0.036
- Blue Green #0F9B8E ΔE 0.038
- Teal Green #0A9396 ΔE 0.039
- Cadet Blue #5F9EA0 ΔE 0.046
- Dull Teal #5F9E8F ΔE 0.055
- Grey Teal #5E9B8A ΔE 0.057
- Light Sea Green #20B2AA ΔE 0.057
Use #099FA8 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.