#389DF3
Closest named color: Chefchaouen Blue (#4895EF). oklch(67.9% 0.157 248.4), rgb(56, 157, 243).
Aa
Black text reads best on this color (7.28:1).
About this color
#389DF3 is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.157 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.022 away. Black text reads best on it, at 7.28:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.157) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.28:1 |
| White text | 2.88:1 |
Values
| HEX | #389DF3 |
| RGB | rgb(56, 157, 243) |
| HSL | hsl(208, 89%, 59%) |
| OKLCH | oklch(67.9% 0.157 248.4) |
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 #389DF3 | 2.88:1 | Fails | Lc -60.0 | Large or bold text, headings |
| Black text on #389DF3 | 7.28:1 | AAA | Lc 49.4 | Large or bold text, headings |
| #389DF3 text on white | 2.88:1 | Fails | Lc 54.7 | Large or bold text, headings |
| #389DF3 text on black | 7.28:1 | AAA | Lc -47.2 | Large or bold text, headings |
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 400.
-
Step 50
50
#EFF6FE
oklch(97% 0.013 251.6)
-
Step 100
100
#DCECFC
oklch(93.6% 0.028 248.1)
-
Step 200
200
#BEDDFC
oklch(88.5% 0.054 248.4)
-
Step 300
300
#8EC6FD
oklch(80.8% 0.098 248.7)
-
Step 400
400 (this color)
#389DF3
oklch(67.9% 0.157 248.4)
-
Step 500
500
#008DEB
oklch(63% 0.172 248.6)
-
Step 600
600
#0077C7
oklch(55.7% 0.152 248.5)
-
Step 700
700
#0064A8
oklch(49.2% 0.133 248.3)
-
Step 800
800
#00518B
oklch(42.6% 0.117 248.8)
-
Step 900
900
#004475
oklch(37.8% 0.103 248.3)
-
Step 950
950
#002848
oklch(27% 0.073 248.1)
#389DF3 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) | #75A1F7 | 0.055 |
| Deuteranopia (no green cones) | #5990F1 | 0.038 |
| Tritanopia (no blue cones) | #00B2BC | 0.115 |
| Achromatopsia (no color) | #989898 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #389DF3
#389DF3
oklch(67.9% 0.157 248.4)
- #D28400
#D28400
oklch(67.9% 0.148 68.8)
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 #389DF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.022
- Cornflower Blue #6495ED ΔE 0.037
- Dark Sky Blue #448EE4 ΔE 0.042
- Dodger Blue #1E90FF ΔE 0.045
- Soft Blue #6488EA ΔE 0.060
- Water Blue #0E87CC ΔE 0.083
- Periwinkle Blue #8F99FB ΔE 0.086
- Faded Blue #658CBB ΔE 0.088
Use #389DF3 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.