#379FB2
Closest named color: Cadet Blue (#5F9EA0). oklch(65.1% 0.097 212.2), rgb(55, 159, 178).
Aa
Black text reads best on this color (6.76:1).
About this color
#379FB2 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.097 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.038 away. Black text reads best on it, at 6.76:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.76:1 |
| White text | 3.10:1 |
Values
| HEX | #379FB2 |
| RGB | rgb(55, 159, 178) |
| HSL | hsl(189, 53%, 46%) |
| OKLCH | oklch(65.1% 0.097 212.2) |
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 #379FB2 | 3.10:1 | AA large text | Lc -63.1 | Content text, not long reading |
| Black text on #379FB2 | 6.76:1 | AA | Lc 46.3 | Large or bold text, headings |
| #379FB2 text on white | 3.10:1 | AA large text | Lc 57.7 | Large or bold text, headings |
| #379FB2 text on black | 6.76:1 | AA | Lc -44.0 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECEF
oklch(93.5% 0.013 214.4)
-
Step 200
200
#C6DEE3
oklch(88.4% 0.026 211.6)
-
Step 300
300
#9EC9D3
oklch(80.8% 0.047 213.5)
-
Step 400
400
#65ADBC
oklch(70.6% 0.075 212.5)
-
Step 500
500 (this color)
#379FB2
oklch(65.1% 0.097 212.2)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#074A55
oklch(37.7% 0.063 212.3)
-
Step 950
950
#092C32
oklch(27.2% 0.04 211.2)
#379FB2 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) | #909AB3 | 0.089 |
| Deuteranopia (no green cones) | #7F8DB2 | 0.081 |
| Tritanopia (no blue cones) | #00A7A5 | 0.039 |
| Achromatopsia (no color) | #929292 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #379FB2
#379FB2
oklch(65.1% 0.097 212.2)
- #C3796A
#C3796A
oklch(65.1% 0.096 32.2)
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 #379FB2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.038
- Sea #3C9992 ΔE 0.047
- Turquoise Blue #06B1C4 ΔE 0.050
- Persian Green #2A9D8F ΔE 0.054
- Teal Green #0A9396 ΔE 0.055
- Dull Teal #5F9E8F ΔE 0.056
- Greyblue #77A1B5 ΔE 0.058
- Blue Green #0F9B8E ΔE 0.059
Use #379FB2 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.