#389BBC
Closest named color: Faded Blue (#658CBB). oklch(64.6% 0.102 224.1), rgb(56, 155, 188).
Aa
Black text reads best on this color (6.58:1).
About this color
#389BBC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.102 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.053 away. Black text reads best on it, at 6.58:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.58:1 |
| White text | 3.19:1 |
Values
| HEX | #389BBC |
| RGB | rgb(56, 155, 188) |
| HSL | hsl(195, 54%, 48%) |
| OKLCH | oklch(64.6% 0.102 224.1) |
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 #389BBC | 3.19:1 | AA large text | Lc -64.2 | Content text, not long reading |
| Black text on #389BBC | 6.58:1 | AA | Lc 45.3 | Large or bold text, headings |
| #389BBC text on white | 3.19:1 | AA large text | Lc 58.8 | Large or bold text, headings |
| #389BBC text on black | 6.58:1 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C7DEE7
oklch(88.6% 0.028 223.3)
-
Step 300
300
#9EC8D9
oklch(80.8% 0.05 224.6)
-
Step 400
400
#66ACC6
oklch(70.8% 0.08 224)
-
Step 500
500 (this color)
#389BBC
oklch(64.6% 0.102 224.1)
-
Step 600
600
#0080A0
oklch(55.7% 0.104 223.4)
-
Step 700
700
#006B87
oklch(49% 0.092 224)
-
Step 800
800
#00586F
oklch(42.7% 0.08 223.4)
-
Step 900
900
#0A495C
oklch(37.8% 0.067 224.1)
-
Step 950
950
#0A2B36
oklch(27.1% 0.042 224)
#389BBC 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) | #8898BE | 0.079 |
| Deuteranopia (no green cones) | #768ABC | 0.071 |
| Tritanopia (no blue cones) | #00A5A6 | 0.054 |
| Achromatopsia (no color) | #909090 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #389BBC
#389BBC
oklch(64.6% 0.102 224.1)
- #C27959
#C27959
oklch(64.7% 0.102 44.2)
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 #389BBC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.053
- Cadet Blue #5F9EA0 ΔE 0.053
- Blue NCS #118AB2 ΔE 0.055
- Dusty Blue #5A86AD ΔE 0.060
- Turquoise Blue #06B1C4 ΔE 0.061
- Greyblue #77A1B5 ΔE 0.062
- Sea #3C9992 ΔE 0.063
- Off Blue #5684AE ΔE 0.064
Use #389BBC 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.