#00799B
Closest named color: Sea Blue (#047495). oklch(53.7% 0.103 226.1), rgb(0, 121, 155).
Aa
White text reads best on this color (4.99:1).
About this color
#00799B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.103 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.016 away. White text reads best on it, at 4.99:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 4.20:1 |
| White text | 4.99:1 |
Values
| HEX | #00799B |
| RGB | rgb(0, 121, 155) |
| HSL | hsl(193, 100%, 30%) |
| OKLCH | oklch(53.7% 0.103 226.1) |
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 #00799B | 4.99:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #00799B | 4.20:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #00799B text on white | 4.99:1 | AA | Lc 73.9 | Content text, not long reading |
| #00799B text on black | 4.20:1 | AA large text | Lc -27.8 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE6
oklch(88.5% 0.026 225.3)
-
Step 300
300
#A2C7D8
oklch(80.8% 0.046 227.5)
-
Step 400
400
#6CAAC4
oklch(70.6% 0.074 226.5)
-
Step 500
500
#3F95B5
oklch(63.1% 0.095 225.9)
-
Step 600
600 (this color)
#00799B
oklch(53.7% 0.103 226.1)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#075770
oklch(42.6% 0.079 226.4)
-
Step 900
900
#14485B
oklch(37.7% 0.062 226.7)
-
Step 950
950
#0E2A35
oklch(26.9% 0.039 226.8)
#00799B 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) | #66779D | 0.076 |
| Deuteranopia (no green cones) | #556A9B | 0.066 |
| Tritanopia (no blue cones) | #008384 | 0.055 |
| Achromatopsia (no color) | #6F6F6F | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00799B
#00799B
oklch(53.7% 0.103 226.1)
- #9E5937
#9E5937
oklch(53.7% 0.103 46)
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 #00799B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.016
- Ocean #017B92 ΔE 0.017
- Ocean Blue #03719C ΔE 0.025
- Nice Blue #107AB0 ΔE 0.034
- Muted Blue #3B719F ΔE 0.036
- Cerulean #457B9D ΔE 0.039
- Dull Blue #49759C ΔE 0.041
- Flat Blue #3C73A8 ΔE 0.042
Use #00799B 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.