#147BE5
Closest named color: Clear Blue (#247AFD). oklch(58.8% 0.182 254.7), rgb(20, 123, 229).
Aa
Black text reads best on this color (4.99:1).
About this color
#147BE5 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.182 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.038 away. Black text reads best on it, at 4.99:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.182) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 4.99:1 |
| White text | 4.20:1 |
Values
| HEX | #147BE5 |
| RGB | rgb(20, 123, 229) |
| HSL | hsl(210, 84%, 49%) |
| OKLCH | oklch(58.8% 0.182 254.7) |
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 #147BE5 | 4.20:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #147BE5 | 4.99:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #147BE5 text on white | 4.20:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #147BE5 text on black | 4.99:1 | AA | Lc -33.3 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#DFEBFA
oklch(93.6% 0.024 254)
-
Step 200
200
#C5DBF7
oklch(88.4% 0.045 254.5)
-
Step 300
300
#9DC4F5
oklch(81% 0.081 254.4)
-
Step 400
400
#65A3F1
oklch(70.7% 0.132 254.9)
-
Step 500
500
#358AEC
oklch(63.2% 0.168 254.5)
-
Step 600
600 (this color)
#147BE5
oklch(58.8% 0.182 254.7)
-
Step 700
700
#005FB8
oklch(49.1% 0.16 254.6)
-
Step 800
800
#004D98
oklch(42.6% 0.139 254.8)
-
Step 900
900
#0E417A
oklch(37.7% 0.11 254.8)
-
Step 950
950
#0B2747
oklch(27.1% 0.068 254.1)
#147BE5 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) | #3F85E9 | 0.039 |
| Deuteranopia (no green cones) | #0073E3 | 0.022 |
| Tritanopia (no blue cones) | #0095A5 | 0.136 |
| Achromatopsia (no color) | #7B7B7B | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #147BE5
#147BE5
oklch(58.8% 0.182 254.7)
- #A77000
#A77000
oklch(58.8% 0.124 75)
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 #147BE5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.038
- Cerulean Blue #056EEE ΔE 0.038
- Royal Blue #4169E1 ΔE 0.047
- Water Blue #0E87CC ΔE 0.054
- Windows Blue #3778BF ΔE 0.059
- Dark Sky Blue #448EE4 ΔE 0.062
- Dodger Blue #1E90FF ΔE 0.065
- Bright Blue #0165FC ΔE 0.067
Use #147BE5 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.