#389BB5
Closest named color: Cadet Blue (#5F9EA0). oklch(64.3% 0.097 218.7), rgb(56, 155, 181).
Aa
Black text reads best on this color (6.52:1).
About this color
#389BB5 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.097 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.045 away. Black text reads best on it, at 6.52:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.52:1 |
| White text | 3.21:1 |
Values
| HEX | #389BB5 |
| RGB | rgb(56, 155, 181) |
| HSL | hsl(192, 53%, 46%) |
| OKLCH | oklch(64.3% 0.097 218.7) |
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 #389BB5 | 3.21:1 | AA large text | Lc -64.5 | Content text, not long reading |
| Black text on #389BB5 | 6.52:1 | AA | Lc 44.9 | Non-text elements, placeholder text |
| #389BB5 text on white | 3.21:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #389BB5 text on black | 6.52:1 | AA | Lc -42.6 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECF0
oklch(93.5% 0.014 219.6)
-
Step 200
200
#C7DEE5
oklch(88.6% 0.026 218)
-
Step 300
300
#9FC9D6
oklch(81% 0.048 218.7)
-
Step 400
400
#67ACC1
oklch(70.7% 0.076 219.5)
-
Step 500
500 (this color)
#389BB5
oklch(64.3% 0.097 218.7)
-
Step 600
600
#00819B
oklch(55.7% 0.1 218.5)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800
#00596B
oklch(42.8% 0.077 217.7)
-
Step 900
900
#0B4958
oklch(37.6% 0.063 218.9)
-
Step 950
950
#0A2B34
oklch(27% 0.041 219.4)
#389BB5 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) | #8B97B6 | 0.083 |
| Deuteranopia (no green cones) | #798AB5 | 0.074 |
| Tritanopia (no blue cones) | #00A4A3 | 0.047 |
| Achromatopsia (no color) | #8F8F8F | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #389BB5
#389BB5
oklch(64.3% 0.097 218.7)
- #C07860
#C07860
oklch(64.4% 0.097 39.2)
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 #389BB5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.045
- Sea #3C9992 ΔE 0.052
- Teal Green #0A9396 ΔE 0.055
- Blue NCS #118AB2 ΔE 0.056
- Faded Blue #658CBB ΔE 0.057
- Turquoise Blue #06B1C4 ΔE 0.060
- Dusty Blue #5A86AD ΔE 0.061
- Greyblue #77A1B5 ΔE 0.062
Use #389BB5 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.