#047CE7
Closest named color: Clear Blue (#247AFD). oklch(59% 0.185 253.8), rgb(4, 124, 231).
Aa
Black text reads best on this color (5.04:1).
About this color
#047CE7 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.185 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.036 away. Black text reads best on it, at 5.04:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.185) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.04:1 |
| White text | 4.16:1 |
Values
| HEX | #047CE7 |
| RGB | rgb(4, 124, 231) |
| HSL | hsl(208, 97%, 46%) |
| OKLCH | oklch(59% 0.185 253.8) |
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 #047CE7 | 4.16:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #047CE7 | 5.04:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #047CE7 text on white | 4.16:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #047CE7 text on black | 5.04:1 | AA | Lc -33.8 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBFA
oklch(93.6% 0.024 254)
-
Step 200
200
#C5DBF8
oklch(88.4% 0.047 255.4)
-
Step 300
300
#9BC4F6
oklch(80.9% 0.084 253.7)
-
Step 400
400
#62A3F2
oklch(70.6% 0.134 254.3)
-
Step 500
500
#308AED
oklch(63.1% 0.171 253.9)
-
Step 600
600 (this color)
#047CE7
oklch(59% 0.185 253.8)
-
Step 700
700
#0060B5
oklch(49.2% 0.155 253.6)
-
Step 800
800
#004E96
oklch(42.7% 0.135 253.8)
-
Step 900
900
#09417A
oklch(37.6% 0.111 253.9)
-
Step 950
950
#092748
oklch(27.1% 0.071 253.7)
#047CE7 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) | #3E86EB | 0.041 |
| Deuteranopia (no green cones) | #0074E5 | 0.021 |
| Tritanopia (no blue cones) | #0096A6 | 0.137 |
| Achromatopsia (no color) | #7C7C7C | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #047CE7
#047CE7
oklch(59% 0.185 253.8)
- #A97000
#A97000
oklch(59.1% 0.125 73.9)
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 #047CE7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.036
- Cerulean Blue #056EEE ΔE 0.038
- Royal Blue #4169E1 ΔE 0.051
- Water Blue #0E87CC ΔE 0.055
- Windows Blue #3778BF ΔE 0.062
- Dark Sky Blue #448EE4 ΔE 0.062
- Dodger Blue #1E90FF ΔE 0.062
- Bright Blue #0165FC ΔE 0.066
Use #047CE7 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.