#05809E
Closest named color: Ocean (#017B92). oklch(55.6% 0.102 222.1), rgb(5, 128, 158).
Aa
Black text reads best on this color (4.58:1).
About this color
#05809E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.102 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.022 away. Black text reads best on it, at 4.58:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.58:1 |
| White text | 4.57:1 |
Values
| HEX | #05809E |
| RGB | rgb(5, 128, 158) |
| HSL | hsl(192, 94%, 32%) |
| OKLCH | oklch(55.6% 0.102 222.1) |
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 #05809E | 4.57:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #05809E | 4.58:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #05809E text on white | 4.57:1 | AA | Lc 71.2 | Content text, not long reading |
| #05809E text on black | 4.58:1 | AA | Lc -30.4 | 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 600.
-
Step 50
50
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C8DDE5
oklch(88.4% 0.025 222.6)
-
Step 300
300
#A1C8D6
oklch(80.9% 0.046 221.7)
-
Step 400
400
#6BABC2
oklch(70.7% 0.074 222.9)
-
Step 500
500
#3C96B2
oklch(63.1% 0.094 221.9)
-
Step 600
600 (this color)
#05809E
oklch(55.6% 0.102 222.1)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#01586E
oklch(42.7% 0.079 222.4)
-
Step 900
900
#124959
oklch(37.8% 0.061 221.6)
-
Step 950
950
#0D2B34
oklch(27.1% 0.039 220.8)
#05809E 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) | #6E7DA0 | 0.081 |
| Deuteranopia (no green cones) | #5D709E | 0.072 |
| Tritanopia (no blue cones) | #00898A | 0.048 |
| Achromatopsia (no color) | #757575 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #05809E
#05809E
oklch(55.6% 0.102 222.1)
- #A55E41
#A55E41
oklch(55.7% 0.102 42.6)
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 #05809E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.022
- Teal Blue #01889F ΔE 0.024
- Cerulean #457B9D ΔE 0.034
- Sea Blue #047495 ΔE 0.036
- Nice Blue #107AB0 ΔE 0.038
- Blue NCS #118AB2 ΔE 0.039
- Stormy Blue #507B9C ΔE 0.045
- Ocean Blue #03719C ΔE 0.045
Use #05809E 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.